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X-WR-CALDESC:Events for Simons Foundation
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TZOFFSETFROM:-0500
TZOFFSETTO:-0400
TZNAME:EDT
DTSTART:20170312T070000
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DTSTART:20171105T060000
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170412T161500
DTEND;TZID=America/New_York:20170412T181500
DTSTAMP:20260413T162000
CREATED:20161219T050000Z
LAST-MODIFIED:20211208T180736Z
UID:372-1492013700-1492020900@www.simonsfoundation.org
SUMMARY:Virus Evolution and the Predictability of Next Year's Flu
DESCRIPTION:Our immune systems rapidly overcome many viral infections and protect us against repeated infections. However\, we are unable to clear HIV infections and suffer repeatedly from influenza. These viruses evade immune recognition by rapidly changing parts of their proteins. New viral variants emerge continuously and compete against each other in complicated stochastic dynamics. \nIn this lecture\, Richard Neher will present recent progress in our understanding of the evolutionary dynamics of organisms\, such as HIV and the influenza virus. His team sequenced the whole genome of thousands of HIV viruses from many samples from the same HIV-infected individual and developed mathematical models to describe virus evolution. These models were used to infer fitness of circulating influenza viruses\, which in turn allowed the team to predict properties of future influenza viruses. Since the seasonal influenza vaccine is only effective when the vaccine virus matches the circulating virus population\, such predictions of future influenza viruses can improve the vaccine. \nNeher studied physics at the universities of Göttingen and Munich. In 2007\, he joined the Kavli Institute for Theoretical Physics at the University of California\, Santa Barbara and became an independent Max Planck Research Group Leader in Tübingen in 2010. He joined the faculty of the University of Basel in 2017. He was awarded an European Research Council starting grant (2010)\, the ARCHES prize (2012)\, and a Phase I OpenSciencePrize (2016).
URL:https://www.simonsfoundation.org/event/virus-evolution-and-the-predictability-of-next-years-flu/
LOCATION:Gerald D. Fischbach Auditorium\, 160 5th Avenue\, New York\, NY\, 10010\, United States
CATEGORIES:Interdisciplinary
ATTACH;FMTTYPE=image/png:https://sf-web-assets-prod.s3.amazonaws.com/wp-content/uploads/2017/07/10181023/RichardNeher_201012_15k.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170413T124500
DTEND;TZID=America/New_York:20170413T131500
DTSTAMP:20260413T162000
CREATED:20170803T170811Z
LAST-MODIFIED:20170816T200853Z
UID:12426-1492087500-1492089300@www.simonsfoundation.org
SUMMARY:CCA Short Talks with Xiangcheng Ma
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/cca-short-talks-with-xiangcheng-ma/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170413T170000
DTEND;TZID=America/New_York:20170413T170000
DTSTAMP:20260413T162000
CREATED:20180502T155520Z
LAST-MODIFIED:20180502T155520Z
UID:35596-1492102800-1492102800@www.simonsfoundation.org
SUMMARY:SCGB NY-Area Postdoc Meeting Series
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/scgb-ny-area-postdoc-meeting-series-april-2017/
LOCATION:Simons Foundation 9th Floor\, Multipurpose Room\, 160 Fifth Ave\, New York\, NY\, 10010\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170417T083000
DTEND;TZID=America/New_York:20170417T180000
DTSTAMP:20260413T162000
CREATED:20170803T171319Z
LAST-MODIFIED:20170803T171319Z
UID:12428-1492417800-1492452000@www.simonsfoundation.org
SUMMARY:Lynx Hot Gas Simulation Workshop
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/lynx-hot-gas-simulation-workshop/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170418T130000
DTEND;TZID=America/New_York:20170418T133000
DTSTAMP:20260413T162000
CREATED:20170803T170627Z
LAST-MODIFIED:20170816T200746Z
UID:12430-1492520400-1492522200@www.simonsfoundation.org
SUMMARY:CCA Short Talks (Ben Oppenheimer)
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/cca-short-talks-ben-oppenheimer/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170418T133000
DTEND;TZID=America/New_York:20170418T140000
DTSTAMP:20260413T162000
CREATED:20170803T170548Z
LAST-MODIFIED:20170816T200652Z
UID:12431-1492522200-1492524000@www.simonsfoundation.org
SUMMARY:CCA Short Talks (Avishai Dekel)
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/cca-short-talks-avishai-dekel/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170419T161500
DTEND;TZID=America/New_York:20170419T181500
DTSTAMP:20260413T162000
CREATED:20170317T040000Z
LAST-MODIFIED:20211208T180803Z
UID:388-1492618500-1492625700@www.simonsfoundation.org
SUMMARY:The Unpredicted: In Science\, Literature and Politics
DESCRIPTION:We are drawn to the new\, the unusual\, the unexpected: what we could not predict on the basis of what came before. As vast archives of our cultural past and present go online\, scientists can now break out of the laboratory to see how novelty\, innovation and creativity are both made and received in the real world. \nTo track these crucial forms of human experience\, Simon DeDeo will introduce simple but powerful concepts from information theory\, using examples from Jane Austen and Virginia Woolf. Through collaborative case studies ranging from the speeches of the French Revolution and papers in high-energy physics to the online arguments of ‘Wikipedians’ and Breitbart commenters\, he will show how these tools allow us to ask\, and answer\, two basic questions: Where do new ideas come from? And how do we respond when they arrive. \nSimon DeDeo is assistant professor of social and decision sciences at Carnegie Mellon University in Pittsburgh\, Pennsylvania\, and external professor at the Santa Fe Institute in New Mexico. He runs the institute’s Laboratory for Social Minds\, whose collaborative work appears in journals ranging from Physical Review to Cognition and PLOS Computational Biology. \n 
URL:https://www.simonsfoundation.org/event/the-unpredicted-in-science-literature-and-politics/
LOCATION:Gerald D. Fischbach Auditorium\, 160 5th Avenue\, New York\, NY\, 10010\, United States
CATEGORIES:Frontiers of Data Science
ATTACH;FMTTYPE=image/jpeg:https://sf-web-assets-prod.s3.amazonaws.com/wp-content/uploads/2017/07/10181043/simon_dedeo_2_4.1280x720_q85_box-106019401032_upscale.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170419T170000
DTEND;TZID=America/New_York:20170419T181500
DTSTAMP:20260413T162000
CREATED:20170803T172148Z
LAST-MODIFIED:20170816T174404Z
UID:12436-1492621200-1492625700@www.simonsfoundation.org
SUMMARY:Simon DeDeo Lecture
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/simon-dedeo-lecture/
LOCATION:Gerald D. Fischbach Auditorium\, 160 5th Ave\, New York\, NY\, 10010\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20170423
DTEND;VALUE=DATE:20170430
DTSTAMP:20260413T162000
CREATED:20161122T050000Z
LAST-MODIFIED:20250813T173945Z
UID:4248-1492905600-1493510399@www.simonsfoundation.org
SUMMARY:New Directions in Approximation Algorithms (2017)
DESCRIPTION:April 23-29\, 2017\nNote: Attendance is by invitation only. \nOrganizers:\nSanjeev Arora\, Princeton University\nUriel Feige\, Weizmann Institute of Science\nMichele Goemans\, Massachusetts Institute of Technology\nDavid Shmoys\, Cornell University \nPrevious years:\n\nNew Directions in Approximation Algorithms 2015\nNew Directions in Approximation Algorithms 2013\n\nThis is the third symposium organized by Sanjeev Arora (Princeton University)\, Uriel Feige (Weizmann Institute)\, Michel Goemans (MIT) and David Shmoys (Cornell University). The first\, in January 2013\, focused on core techniques and problems of this field. The second\, in February 2015\, highlighted how the notion of approximation has found uses in other areas\, including mechanism design\, combinatorial optimization\, online algorithms\, machine learning\, differential privacy and discrepancy theory. The upcoming meeting is expected to address the above themes\, as well as new themes such as proving hardness of approximation results under the exponential time hypothesis. \n\nAgenda\n\nDownload agenda PDF here. \n\n\n\nSunday\n\n\n\n7:30 -9:30 PM\nDinner at La Salle\n\n\nMonday\n\n\n\n8:30 – 10:00 AM\nBreakfast at La Salle\n\n\n10:00 – 11:00 AM\nProgram\n\n\n11:00 – 11:30 AM\nBreak\n\n\n11:30 – 1:00 PM\nProgram\n\n\n1:00 – 2:00 PM\nLunch at La Salle\n\n\n2:00 – 4:30 PM\nDiscussion & Recreation*\n\n\n4:30 – 5:00 PM\nTea\n\n\n5:00 – 7:00 PM\nProgram\n\n\n7:30 – 9:30 PM\nDinner at La Salle\n\n\nTuesday\n\n\n\n8:30 – 10:00 AM\nBreakfast at La Salle\n\n\n10:00 – 11:00 AM\nProgram\n\n\n11:00 – 11:30 AM\nBreak\n\n\n11:30 – 1:00 PM\nProgram\n\n\n1:00 – 2:00 PM\nLunch at La Salle\n\n\n2:00 – 4:30 PM\nDiscussion & Recreation*\n\n\n4:30 – 5:00 PM\nTea\n\n\n5:00 – 7:00 PM\nProgram\n\n\n7:30 – 9:30 PM\nDinner at Wintergarden\n\n\nWednesday\n\n\n\n7:30 – 9:30 AM\nBreakfast at La Salle\n\n\n9:45 – 2:00 PM\nGuided Hike to Partnach Gorge\n\n\n2:00 – 3:00 PM\nLunch at Wintergarden\n\n\n3:00 – 5:00 PM\nDiscussion & Recreation*\n\n\n5:00 – 5:30 PM\nTea\n\n\n5:30 – 7:30 PM\nProgram\n\n\n7:30 – 9:30 PM\nDinner at La Salle\n\n\nThursday\n\n\n\n8:00 – 9:30 AM\nBreakfast at La Salle\n\n\n9:30 – 10:30 AM\nProgram\n\n\n10:30 – 11:00 AM\nBreak\n\n\n11:00 – 12:30 PM\nProgram\n\n\n12:30 – 1:30 PM\nLunch at La Salle\n\n\n1:30 – 4:30 PM\nDiscussion & Recreation*\n\n\n4:30 – 5:00 PM\nTea\n\n\n5:00 – 7:00 PM\nProgram\n\n\n7:30 – 9:30 PM\nDinner at La Salle\n\n\nFriday\n\n\n\n8:00 – 9:30 AM\nBreakfast at La Salle\n\n\n9:30 – 10:30 AM\nProgram\n\n\n10:30 – 11:00 AM\nBreak\n\n\n11:00 – 12:30 PM\nProgram\n\n\n12:30 – 1:30 PM\nLunch at La Salle\n\n\n1:30 – 4:30 PM\nDiscussion & Recreation*\n\n\n4:30 – 5:00 PM\nTea\n\n\n5:00 – 7:00 PM\nProgram\n\n\n7:30 – 9:30 PM\nDinner at Kaminstüberl\n\n\nLocations\n\n\n\nSESSIONS\nPavillion located at the Schloss Elmau Retreat\n\n\nMEALS\nLa Salle unless otherwise noted\n\n\nTEA & DISCUSSION\nPavillion located at the Schloss Elmau Retreat\n\n\nEXCURSION\nMeet in Schloss Elmau Lobby\n\n\nSATURDAY DEPARTURE\nMeet in Schloss Elmau Lobby\n\n\n\n*Participants may explore the hotel property and its surrounding areas as well as engage in informal discussion with other participants. \nStart Time\nThe meeting will begin on Monday morning at 10:00 am in the Pavillon meeting room located at the Schloss Elmau Retreat. Breakfast will start at 8:30 am in La Salle restaurant.\nMeeting Location\nAll symposium activities will take place in the Pavillon meeting room located at the Schloss Elmau Retreat.\nAV\nParticipants will have access to a projector and screen for computer based talks as well as blackboards for those who prefer to give board-based talks. High-speed Internet access is available as well.\nWednesday Excursion\nOn Wednesday symposia activities will be shortened so that anyone interested may attend a hiking excursion. Participants will embark on a fully guided hiking tour from Schloss-Elmau through the Partnach Gorge. The hike difficulty is moderate and will take approximately 3 hours.\nDress Code\n\nBusiness casual clothing should be worn during the symposia. The weather can change very quickly so we also advise bringing warm-weather clothing appropriate for spring in the mountains.If you plan on taking part in the hike to Partnach Gorge we advise you to wear hiking boots\, or even better\, light mountain boots\, warm clothing (e.g. a sweater)\, sun protection (e.g. light cap) and take waterproofs (e.g. raincoat or umbrella) with you. Bringing along a small backpack or satchel in which to carry your water\, camera and other items may also be useful to you. \n\n\nParticipants\n\nDownload participant list PDF here. \n\n\n\nSanjeev Arora\nPrinceton University\n\n\nNikhil Bansal\nEindhoven University of Technology\n\n\nSebastian Bubeck\nMicrosoft\n\n\nJulia Chuzoy\nTTI Chicago\n\n\nUriel Feige\nWeizmann Institute of Science\n\n\nMichel Goemans\nMIT\n\n\nAnupam Gupta\nCarnegie Mellon University\n\n\nElad Hazan\nPrinceton University\n\n\nRavi Kannan\nMicrosoft\n\n\nSanjeev Khanna\nUniversity of Pennsylvania\n\n\nAleksander Madry\nMIT\n\n\nElchanan Mossel\nMIT\n\n\nSeffi Naor\nTechnion – Israel Institute of Technology\n\n\nShayan Oveis Gharan\nUniversity of Washington\n\n\nThomas Rothvoss\nUniversity of Washington\n\n\nAviad Rubinstein\nUniversity of California\, Berkeley\n\n\nDavid Shmoys\nCornell University\n\n\nOla Svensson\nEPFL\n\n\nVasilis Syrgkanis\nMicrosoft Research\n\n\nGreg Valiant\nStanford University\n\n\nVirginia Vassilevska Williams\nStanford University\n\n\nNisheeth Vishnoi\nÉcole Polytechnique Fédérale de Lausanne\n\n\nRyan Williams\nStanford University\n\n\n\n\nTravel\n\nAir\n\nThe foundation will coordinate and purchase your air travel to the symposium. Please provide your travel specifications by clicking the registration link above.Participants arriving via plane will arrive via Munich International Airport (MUC). \n\nTrain\n\nThe closet train station to Schloss Elmau is Klais. Those traveling by train are advised to book their tickets directly and request reimbursement from the foundation at the conclusion of the meeting.All participants are required to arrive on Sunday prior to the meeting’s start and attend the entire week. No accommodations will be made for partial participation. \n\nAdditional Night at Elmau\nThe official departure date for all participants is Saturday (meeting activities conclude Friday evening). As a special bonus participants may depart on Sunday at no additional cost. Please note your desired departure date when registering.\nPassports\nPassports are required.\nLocal Ground Transportation\n\nArrival at Munich International Airport\nThe foundation will arrange for your transfer from MUC airport to Schloss Elmau via a private car. After claiming your luggage at baggage claim you will proceed to the exit where a uniformed driver holding a Schloss Elmau sign will greet you.Upon arrival at MUC\, if you are unable to locate your driver please call Taxi Mathe directly.Taxi Mathe\, Mr. Mathe\ntaxi.mathe@googlemail.com\nphone 08821 9663691\nmobile 0170 8399 933Travel time from Munich to Schloss Elmau is 90 minutes.\nArrival at Klais Train Station\n\nThe foundation will arrange for your transfer from Klais train station to Schloss Elmau via a hotel shuttle.Travel time from Kalis to Elmau is approximately 15 minutes. \n\nDeparture from Schloss Elmau\nThe day prior to your departure you will receive a departure letter advising on your departure time to the airport or train station via private car. Please meet your driver in the hotel lobby ten minutes prior to your noted departure time. If for any reason your flight departure time changes\, please visit the front desk to update hotel staff.\n\n\nHotel\nSchloss Elmau Luxury Spa & Cultural Hideaway\nIn Elmau 2\, 82493 Krün\nGermany\nTel: +49 (0) 8823 18-0\nwww.schloss-elmau.deCheck-in time is at 4:30 PM\nCheck-out time is 11:30 AM\nMeals\n\nWhile Traveling\nOn days when participants are traveling to or from Germany the foundation will reimburse up to US $50 per day for meals.\nDay of Arrival (Sunday)\nParticipants may dine on their own at any one of Schloss Elmau’s onsite restaurants\, the cost of which will be covered by the foundation.\nMonday through Friday\n\nAll meals occurring during the meeting week will be covered directly by the Simons Foundation. Participants are expected to be present for all foundation-hosted meals.Breakfast will be served daily starting at 7:30 AM at La Salle restaurant. Food at La Salle is served buffet-style and is open to all hotel guests and a table has been set aside so that symposia participants may dine together. \nLunch will be served daily at La Salle. \nDinner will be hosted around the hotel property at one of the restaurants. Locations are noted on the agenda. \n\nDay of Departure (Saturday)\nIf departing on Saturday\, your breakfast will be covered by the foundation. If you choose to depart on Sunday\, you are responsible for all your meals from Saturday lunch onward.\n\nContacts\n\nRegistration and Travel Assistance\nChristophe Vergnol\nchristophe.vergnol@protravelinc.com\n(646) 747-9767\nRegistration\, Hotel and General Meeting Assistance\nMeghan Fazzi\nSenior Executive Assistant\, Simons Foundation\nmfazzi@simonsfoundation.org\n(212) 524-6080\n\nReimbursement and Travel Policy\n\nAny expenses not directly paid for by the Simons Foundation are subject to reimbursement based on the travel policy. An email will be sent within a week following the conclusion of the symposium with further instructions on submitting your expenses via the foundation’s web-based expense reimbursement platform.Receipts are required for any expenses over $50 USD and are due within THIRTY DAYS (30) after the conclusion of the symposium. Should you have any questions\, please contact Meghan Fazzi. \nGuest Policy\nIt is the foundation’s policy to discourage spouses\, families or others from joining participants during the meeting. Participants who choose to invite guests to come before or stay on after the meeting do so at their own expense. The Simons Foundation will not cover expenses associated with such extensions.\nAdditional Nights\nShould you decide to extend your stay\, Schloss Elmau will honor the conference rate of €337.50/night for up to two nights. Any nights beyond those associated with the conference will not be reimbursed by the foundation. Please note on your registration form if you wish to extend your stay.\n\n\n\n« Back to Simons Symposia
URL:https://www.simonsfoundation.org/event/new-directions-in-approximation-algorithms/
LOCATION:Gerald D. Fischbach Auditorium\, 160 5th Ave\, New York\, NY\, 10010\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170430T000000
DTEND;TZID=America/New_York:20170506T000000
DTSTAMP:20260413T162000
CREATED:20161122T050000Z
LAST-MODIFIED:20250813T174037Z
UID:4249-1493510400-1494028800@www.simonsfoundation.org
SUMMARY:Quantum Entanglement (2017)
DESCRIPTION:April 30-May 6\, 2017\n\nNote: Attendance is by invitation only. \nOrganizers:\nShamit Kachru\, Stanford University\nHirosi Ooguri\, California Institute of Technology\nSubir Sachdev\, Harvard University \nPrevious years:\n\nQuantum Entanglement 2015\nQuantum Entanglement 2013\n\nOrganized by Shamit Kachru (Stanford University)\, Hirosi Ooguri (Caltech) and Subir Sachdev (Harvard University)\, this is the third symposium on this topic. \nSince the first symposium in 2013\, quantum entanglement has become even more important in a broad area of theoretical physics ranging from condensed matter physics and quantum information toquantum gravity and string theory. It does appear that the symposia anticipated this impact\, and played a role in developing some of the connections between different branches of theoretical physics. Quantum entanglement and its relation toquantum error correction is playing a key role in our understanding of bulk reconstruction in holography.  The connections between black holes\, fast scrambling\, and quantum chaos are other subjects we plan to discuss at the symposium. In particular\, the Sachdev-Ye-Kitaev model has been found to be maximally chaotic and seems to provide a solvable model of holography in which the boundary quantum theory is tractable in a regime which captures the subtle correlations in Hawking radiation. In condensed matter physics\, entanglement acts as one of the few `tags’ for topologically ordered states\, novel phases of matter not characterized by conventional order parameters. This has been particularly powerful in studies of gapped systems. \nMore recently\, a rich web of dualities was discovered in 2+1 dimensions relating some of the simplest critical theories of interest in condensed matter physics. These dualities may be useful in improving understanding of central ideas such as ‘flux attachment’ and the physics of the composite Fermi liquid. All of these recent developments make it an excellent time to bring together theorists in these areas to share their insights and tools. \n\nAgenda\n\n Download agenda PDF here. \n\n\nSunday\n\n\n\n8:00 – 9:30 PM\nDinner at La Salle\n\n\nMonday\n\n\n\n8:30 – 10:00 AM\nBreakfast at La Salle\n\n\n10:00 – 10:15 AM\nWelcome & Introduction\n\n\n10:15 – 10:45 AM\nNathan Seiberg\n\n\n11:00 – 11:30 AM\nSenthil Todadri\n\n\n11:30 – 12:00 PM\nBreak\n\n\n12:00 – 12:30 PM\nShinsei Ryu\n\n\n12:30 – 1:30 PM\nLunch at La Salle\n\n\n1:30 – 4:30 PM\nDiscussion & Recreation*\n\n\n4:30- 5:00 PM\nTea\n\n\n5:00 – 5:30 PM\nShamit Kachru\n\n\n5:45 – 6:15 PM\nDavid Tong\n\n\n6:30- 7:30 PM\nOrganized Discussion\n\n\n8:00 – 9:30 PM\nDinner at La Salle\n\n\nTuesday\n\n\n\n8:30 – 10:00 AM\nBreakfast at La Salle\n\n\n10:00 – 10:45 AM\nDaniel Harlow\n\n\n11:00 – 11:30 AM\nMatthew Headrick\n\n\n11:30 – 12:00 PM\nBreak\n\n\n12:00 – 12:30 PM\nHirosi Ooguri\n\n\n12:30 – 1:30 PM\nLunch at La Salle\n\n\n1:30 – 4:30 PM\nDiscussion & Recreation*\n\n\n4:30 – 5:00 PM\nTea\n\n\n5:00 – 5:30 PM\nXi Dong\n\n\n5:45 – 6:15 PM\nMark Van Raamsdonk\n\n\n6:30 – 7:30 PM\nOrganized Discussion\n\n\n8:00 – 9:30 PM\nDinner at Wintergarden\n\n\nWednesday\n\n\n\n7:30 – 9:30 AM\nBreakfast\n\n\n9:45 – 2:00 PM\nGuided Hike to Partnach Gorge\n\n\n2:00 – 3:00 PM\nLunch at Wintergarden\n\n\n3:00 – 4:00 PM\nRecreation & Discussion\n\n\n4:00 – 4:30 PM\nTea\n\n\n4:30 – 5:15 PM\nJosephine Suh\n\n\n5:30 – 6:00 PM\nKristan Jensen\n\n\n8:00 – 9:30 PM\nDinner at La Salle\n\n\nThursday\n\n\n\n8:00 – 9:00 AM\nBreakfast at La Salle\n\n\n9:00 – 9:30 AM\nHoracio Casini\n\n\n9:45 – 10:15 AM\nSandip Trivedi\n\n\n10:15 – 10:45  AM\nBreak\n\n\n10:45 – 11:15 AM\nBrian Swingle\n\n\n11:30 – 12:00 PM\nAhmed Almheiri\n\n\n12:00 – 1:00 PM\nLunch at La Salle\n\n\n1:00 – 4:30 PM\nDiscussion & Recreation*\n\n\n4:30 – 5:00 PM\nTea\n\n\n5:00 -5:45 PM\nAshvin Vishwanath\n\n\n6:00 – 6:30 PM\nBeni Yoshida\n\n\n6:45 – 7:45 PM\nOrganized Discussion\n\n\n8:00 – 9:30 PM\nDinner at La Salle\n\n\nFriday\n\n\n\n8:00 – 9:00 AM\nBreakfast at La Salle\n\n\n9:00 – 9:30 AM\nLukasz Fidkowski\n\n\n9:45 – 10:15 AM\nMaissam Barkeshli\n\n\n10:15 – 10:45  AM\nBreak\n\n\n10:45 – 11:15 AM\nDan Freed\n\n\n11:30 – 12:00 PM\nMichael Hermele\n\n\n12:00 – 1:00 PM\nLunch at La Salle\n\n\n1:00 – 4:30 PM\nDiscussion & Recreation*\n\n\n4:30 – 5:00 PM\nTea\n\n\n5:00 -5:30 PM\nOrganized Discussion\n\n\n5:45 – 6:15 PM\nSubir Sachdev\n\n\n8:00 – 9:30 PM\nDinner at Kaminstüberl\n\n\nLocations\n\n\n\nSESSIONS\nPavillion located at the Schloss Elmau Retreat\n\n\nMEALS\nLa Salle unless otherwise noted\n\n\nTEA & DISCUSSION\nPavillion located at the Schloss Elmau Retreat\n\n\nEXCURSION \nMeet in Schloss Elmau Lobby\n\n\nSATURDAY DEPARTURE\nMeet in Schloss Elmau Lobby\n\n\n*Participants may explore the hotel property and its surrounding areas as well as engage in informal discussion with other participants. \nStart Time\n\n		The meeting will begin on Monday morning at 10:00 am in the Pavillon meeting room located at the Schloss Elmau Retreat. Breakfast will start at 8:30 am in La Salle restaurant.\n	\nMeeting Location\n\n		All symposium activities will take place in the Pavillon meeting room located at the Schloss Elmau Retreat.\n	\nAV\n\n		Participants will have access to a projector and screen for computer based talks as well as blackboards for those who prefer to give board-based talks. High-speed Internet access is available as well.\n	\nWednesday Excursion\n\n		On Wednesday symposia activities will be shortened so that anyone interested may attend a hiking excursion. Participants will embark on a fully guided hiking tour from Schloss-Elmau through the Partnach Gorge. The hike difficulty is moderate and will take approximately 3 hours.\n	\nDress Code\n\n		Business casual clothing should be worn during the symposia. The weather can change very quickly so we also advise bringing warm-weather clothing appropriate for spring in the mountains. \n		If you plan on taking part in the hike to Partnach Gorge we advise you to wear hiking boots\, or even better\, light mountain boots\, warm clothing (e.g. a sweater)\, sun protection (e.g. light cap) and take waterproofs (e.g. raincoat or umbrella) with you. Bringing along a small backpack or satchel in which to carry your water\, camera and other items may also be useful to you.\n	 \n\nParticipants\n\n Download participant list PDF here. \n\n\nAhmed Almheiri\nStanford University\n\n\nMaissam Barkeshli\nUniversity of Maryland\n\n\nHoracio Casini\n Centro Atomico Briloche \n\n\nXi Dong\nInstitute for Advanced Study\n\n\nLukasz Fidkowski\nStony Brook\n\n\nDan Freed\nUniversity of Texas at Austin\n\n\nDaniel Harlow\nHarvard University\n\n\nMatthew Headrick\nBrandeis University\n\n\nMike Hermele\nUniversity of Colorado\, Boulder\n\n\nKristan Jensen\nSan Francisco State University\n\n\nShamit Kachru\nStanford University \n\n\nHirosi Ooguri\n California Institute of Technology \n\n\nShinsei Ryu\n University of Illiniois at Urbana-Champaign \n\n\nSubir Sachdev\n Harvard University \n\n\nNathan Seiberg\nInstitute for Advanced Study\n\n\nJosephine Suh\n University of British Columbia \n\n\nBrian Swingle\nStanford University \n\n\nSenthil Todadri\nMIT\n\n\nDavid Tong\n University of Cambridge \n\n\nSandip Trivedi\nTata Institute for Fundamental Research\n\n\nMark van Raamsdonk\nUniversity of British Columbia\n\n\nAshvin Vishwanath\nUC Berekely/Harvard University\n\n\nBeni Yoshida\nPerimeter Institute\n\n\n\nTravel\n\nAir\n\n			The foundation will coordinate and purchase your air travel to the symposium. Please provide your travel specifications by clicking the registration link above. \n			Participants arriving via plane will arrive via Munich International Airport (MUC).\n	 \nTrain\n\n		The closet train station to Schloss Elmau is Klais. Those traveling by train are advised to book their tickets directly and request reimbursement from the foundation at the conclusion of the meeting. \n		All participants are required to arrive on Sunday prior to the meeting’s start and attend the entire week. No accommodations will be made for partial participation.\n	 \nAdditional Night at Elmau\n\n		The official departure date for all participants is Saturday (meeting activities conclude Friday evening). As a special bonus participants may depart on Sunday at no additional cost. Please note your desired departure date when registering.\n	\nPassports\n\n		Passports are required.\n	\nLocal Ground Transportation\n\nArrival at Munich International Airport\n\n			The foundation will arrange for your transfer from MUC airport to Schloss Elmau via a private car. After claiming your luggage at baggage claim you will proceed to the exit where a uniformed driver holding a Schloss Elmau sign will greet you. Upon arrival at MUC\, if you are unable to locate your driver please call Taxi Mathe directly. \n			Taxi Mathe\, Mr. Mathe\n			taxi.mathe@googlemail.com\n			phone 08821 9663691\n			mobile 0170  8399 933 \n			Travel time from Munich to Schloss Elmau is 90 minutes.\n		 \nArrival at Klais Train Station\n\n			The foundation will arrange for your transfer from Klais train station to Schloss Elmau via a hotel shuttle. \n			Travel time from Kalis to Elmau is approximately 15 minutes.\n		 \nDeparture from Schloss Elmau\n\n			The day prior to your departure you will receive a departure letter advising on your departure time to the airport or train station via private car. Please meet your driver in the hotel lobby ten minutes prior to your noted departure time. If for any reason your flight departure time changes\, please visit the front desk to update hotel staff.\n		\n \n\nHotel\n\n	Schloss Elmau Luxury Spa & Cultural Hideaway\n	In Elmau 2\, 82493 Krün\n	Germany\n	Tel: +49 (0) 8823 18-0\n	www.schloss-elmau.de \n	Check-in time is at 4:30 PM\n	Check-out time is 11:30 AM\n \nMeals\n\nWhile Traveling\n\n		On days when participants are traveling to or from Germany the foundation will reimburse up to US $50 per day for meals.\n	\nDay of Arrival (Sunday)\n\n		Participants may dine on their own at any one of Schloss Elmau’s onsite restaurants\, the cost of which will be covered by the foundation.\n	\nMonday through Friday\n\n		All meals occurring during the meeting week will be covered directly by the Simons Foundation. Participants are expected to be present for all foundation-hosted meals. \n		Breakfast will be served daily starting at 7:30 AM at La Salle restaurant. Food at La Salle is served buffet-style and is open to all hotel guests and a table has been set aside so that symposia participants may dine together. \n		Lunch will be served daily at La Salle. \n		Dinner will be hosted around the hotel property at one of the restaurants. Locations are noted on the agenda.\n	\nDay of Departure (Saturday)\n\n		If departing on Saturday\, your breakfast will be covered by the foundation. If you choose to depart on Sunday\, you are responsible for all your meals from Saturday lunch onward.\n	\n\nContacts\n\nRegistration and Travel Assistance\n\n		Christophe Vergnol\n		christophe.vergnol@protravelinc.com\n		(646) 747-9767\n	\nRegistration\, Hotel and General Meeting Assistance\n\n		Meghan Fazzi\n		Senior Executive Assistant\, Simons Foundation\n		mfazzi@simonsfoundation.org\n		(212) 524-6080\n	\n\nReimbursement and Travel Policy\n\n	Any expenses not directly paid for by the Simons Foundation are subject to reimbursement based on the travel policy. An email will be sent within a week following the conclusion of the symposium with further instructions on submitting your expenses via the foundation’s web-based expense reimbursement platform. \n	Receipts are required for any expenses over $50 USD and are due within THIRTY DAYS (30) after the conclusion of the symposium. Should you have any questions\, please contact Meghan Fazzi. \nGuest Policy\n\n		It is the foundation’s policy to discourage spouses\, families or others from joining participants during the meeting. Participants who choose to invite guests to come before or stay on after the meeting do so at their own expense. The Simons Foundation will not cover expenses associated with such extensions.\n	\nAdditional Nights\n\n		Should you decide to extend your stay\, Schloss Elmau will honor the conference rate of €337.50/night for up to two nights. Any nights beyond those associated with the conference will not be reimbursed by the foundation. Please note on your registration form if you wish to extend your stay.\n	\n\n\n \n \n« Back to Simons Symposia
URL:https://www.simonsfoundation.org/event/quantum-entanglement-2017/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170502T080000
DTEND;TZID=America/New_York:20170502T170000
DTSTAMP:20260413T162000
CREATED:20170803T172314Z
LAST-MODIFIED:20170816T173922Z
UID:12440-1493712000-1493744400@www.simonsfoundation.org
SUMMARY:SO Data Management: Face to Face Meeting
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/so-data-management-face-to-face-meeting/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170502T124500
DTEND;TZID=America/New_York:20170502T131500
DTSTAMP:20260413T162000
CREATED:20170803T171007Z
LAST-MODIFIED:20170816T200602Z
UID:12442-1493729100-1493730900@www.simonsfoundation.org
SUMMARY:CCA Short Talk w/ Dr. Svitlana Zhukovska
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/cca-short-talk-w-dr-svitlana-zhukovska/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170503T161500
DTEND;TZID=America/New_York:20170503T181500
DTSTAMP:20260413T162000
CREATED:20170228T050000Z
LAST-MODIFIED:20211208T180814Z
UID:386-1493828100-1493835300@www.simonsfoundation.org
SUMMARY:Navigating U(2) with Golden Gates
DESCRIPTION:The problem of devising optimally efficient universal gates for quantum computing is one of finding the best generators for rotation groups. \nIn this lecture\, Peter Sarnak will discuss recent developments concerning ‘Golden Gates\,’ which are number theoretic generators of U(2). The tools range from groups associated with the platonic solids to modern diophantine problems associated with sums of squares. \nPeter Sarnak is currently Eugene Higgins Professor of Mathematics at Princeton University and professor of mathematics at Princeton’s Institute for Advanced Study. He has made major contributions to number theory and to questions in analysis motivated by number theory. His interest in mathematics is wide-ranging\, and his research focuses on the theory of zeta functions and automorphic forms\, with applications to number theory\, combinatorics and mathematical physics.
URL:https://www.simonsfoundation.org/event/navigating-u2-with-golden-gates/
LOCATION:Gerald D. Fischbach Auditorium\, 160 5th Avenue\, New York\, NY\, 10010\, United States
CATEGORIES:Math and its Applications
ATTACH;FMTTYPE=image/jpeg:https://sf-web-assets-prod.s3.amazonaws.com/wp-content/uploads/2017/07/10181040/Sarnak1.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20170507
DTEND;VALUE=DATE:20170514
DTSTAMP:20260413T162000
CREATED:20161122T050000Z
LAST-MODIFIED:20250813T174227Z
UID:4250-1494115200-1494719999@www.simonsfoundation.org
SUMMARY:𝑝-adic Hodge Theory (2017)
DESCRIPTION:May 7-13\, 2017\nNote: Attendance is by invitation only. \nOrganizers:\nBhargav Bhatt\, University of Michigan\nMartin Olsson\, UC Berkeley \nOrganized by Bhargav Bhatt (University of Michigan) and Martin Olsson (UC Berkeley)\, the symposium will bring together experts to explore recent developments in p-adic Hodge theory and understand the emerging relationship of p-adic Hodge theory with other subjects in mathematics. \nThe topics to be discussed include:\n\nThe relationship between p-adic Hodge theory\, algebraic K-theory\, and topological Hochschild homology.\nRecent developments in integral p-adic Hodge theory.\nThe connection between p-adic Hodge theory and derived algebraic geometry.\n\nClick here for notes for the talks. \n\nAgenda\n\nDownload agenda PDF here. \n\n\n\nSUNDAY\n\n\n\n7:30 -9:30 PM\nDinner at La Salle\n\n\nMONDAY\n\n\n\n8:30 – 10:30 AM\nBreakfast\n\n\n10:30 – 11:30 AM\nIntegral p-adic Hodge Theory & Topological Cyclic Homology: A Five-talk Series\n#1: Matthew Morrow\nAn overview of “Integral p-adic Hodge Theory”\n\n\n11:30 -12:00 PM\nBreak\n\n\n12:00 – 1:00 PM\nLaurent Fargues | Simple connectedness of the fibers of an Abel-Jacobi morphism and local class field theory\n\n\n1:00 – 2:00 PM\nLunch\n\n\n2:00 – 4:30 PM\nDiscussion & Recreation*\n\n\n5:00 – 6:00 PM\nBryden Cais | Breuil-Kisin modules and crystalline cohomology\n\n\n6:00 – 6:30 PM\nBreak\n\n\n6:30 – 7:30 PM\nMinhyong Kim | Reciprocity laws and principal bundles\n\n\n8:00 – 9:30 PM\nDinner at La Salle\n\n\nTUESDAY\n\n\n\n8:30 – 10:30 AM\nBreakfast\n\n\n10:30 – 11:30 AM\nIntegral p-adic Hodge Theory & Topological Cyclic Homology: A Five-talk Series\n2: Peter Scholze\nHochschild homology\, cyclic homology and relations to de Rahm cohomology\n\n\n11:30 -12:00 PM\nBreak\n\n\n12:00 – 1:00 PM\nMichel Gros | Simpson correspondance in characteristic p>0 and splittings of the algebra of PD-differential operators\n\n\n1:00 – 2:00 PM\nLunch\n\n\n2:00 – 4:30 PM\nDiscussion & Recreation*\n\n\n5:00 – 6:00 PM\nAhmed Abbes | Lifting the Cartier transform of Ogus-Vologodsky modulo p^n\n\n\n6:00 – 6:30 PM\nBreak\n\n\n6:30 – 7:30 PM\nDmitry Kaledin | Co-periodic cyclic homology\n\n\n8:00 – 9:30 PM\nDinner at Wintergarden\n\n\nWEDNESDAY\n\n\n\n7:30 – 9:30 AM\nBreakfast\n\n\n9:45 – 2:00 PM\nGuided Hike to Partnach Gorge\n\n\n2:00 – 3:00 PM\nLunch at Wintergarden\n\n\n3:00 – 5:00 PM\nRecreation & Discussion\n\n\n5:00 – 5:30 PM\nTea\n\n\n5:30 – 6:30 PM\nIntegral p-adic Hodge Theory & Topological Cyclic Homology: A Five-talk Series\n3: Jacob Lurie\nTopological Hochschild Homology\n\n\n6:30 – 7:30 PM\nWieslawa Niziol | Cohomology of p-adic Stein spaces\n\n\n8:00 – 9:30 PM\nDinner at La Salle\n\n\nTHURSDAY\n\n\n\n8:30 – 10:30 AM\nBreakfast\n\n\n10:30 – 11:30 AM\nIntegral p-adic Hodge Theory & Topological Cyclic Homology: A Five-talk Series\n4: Lars Hesselholt\nTHH and cyclotomic spectra\n\n\n11:30 -12:00 PM\nBreak\n\n\n12:00 – 1:00 PM\nPierre Colmez | Cohomology of p-adic analytic curves\n\n\n1:00 – 2:00 PM\nLunch\n\n\n2:00 – 4:30 PM\nDiscussion & Recreation*\n\n\n5:00 – 6:00 PM\nAna Caraiani | Galois representations and torsion classes\n\n\n6:00 – 6:30 PM\nBreak\n\n\n6:30 – 7:30 PM\nKiran Kedlaya | Tautological local systems and (phi\, gamma)-modules\n\n\n8:00 – 9:30 PM\nDinner at La Salle\n\n\nFRIDAY\n\n\n\n8:30 – 10:30 AM\nBreakfast\n\n\n10:30 – 11:30 AM\nIntegral p-adic Hodge Theory & Topological Cyclic Homology: A Five-talk Series\n5: Peter Scholze\nA “weight” filtration on THH and its relation with crystalline cohomology and \(A\Omega\)\n\n\n11:30 -12:00 PM\nBreak\n\n\n12:00 – 1:00 PM\nRuochuan Liu | Logarithmic OBdR\n\n\n1:00 – 2:00 PM\nLunch\n\n\n2:00 – 4:30 PM\nDiscussion & Recreation*\n\n\n5:00 – 6:00 PM\nTakeshi Tsuji | The relative Fontaine-Laffaille theory and Ainf representations with Frobenius\n\n\n8:00 – 9:30 PM\nDinner at Kaminstüberl\n\n\nLOCATIONS\n\n\n\nSESSIONS\nPavillion located at the Schloss Elmau Retreat\n\n\nMEALS\nLa Salle unless otherwise noted\n\n\nTEA & DISCUSSION\nPavillion located at the Schloss Elmau Retreat\n\n\nEXCURSION\nMeet in Schloss Elmau Lobby\n\n\nSATURDAY DEPARTURE\nMeet in Schloss Elmau Lobby\n\n\n\n*Participants may explore the hotel property and its surrounding areas as well as engage in informal discussion with other participants. \nStart Time\nThe meeting will begin on Monday morning at 10:30 AM in the Pavillon meeting room located at the Schloss Elmau Retreat. Breakfast will start at 8:30 AM in La Salle restaurant.\nMeeting Location\nAll symposium activities will take place in the Pavillon meeting room located at the Schloss Elmau Retreat.\nAV\nParticipants will have access to a projector and screen for computer based talks as well as blackboards for those who prefer to give board-based talks. High-speed Internet access is available as well.\nWednesday Excursion\nOn Wednesday symposia activities will be shortened so that anyone interested may attend a hiking excursion. Participants will embark on a fully guided hiking tour from Schloss-Elmau through the Partnach Gorge. The hike difficulty is moderate and will take approximately 3 hours.\nDress Code\nBusiness casual clothing should be worn during the symposia. The weather can change very quickly so we also advise bringing warm-weather clothing appropriate for spring in the mountains.If you plan on taking part in the hike to Partnach Gorge we advise you to wear hiking boots\, or even better\, light mountain boots\, warm clothing (e.g. a sweater)\, sun protection (e.g. light cap) and take waterproofs (e.g. raincoat or umbrella) with you. Bringing along a small backpack or satchel in which to carry your water\, camera and other items may also be useful to you. \n\n\nParticipants\n\nDownload participant list PDF here. \n\n\n\nAhmed Abbes\nInstitut des Hautes Études Scientifiques\n\n\nBhargav Bhatt\nUniversity of Michigan\n\n\nBryden Cais\nUniversity of Arizona\n\n\nAna Caraiani\nUniversity of Bonn\n\n\nPierre Colmez\nInstitut de Mathématiques de Jussieu\n\n\nBrian Conrad\nStanford University\n\n\nAise Johan de Jong\nColumbia University\n\n\nGerd Faltings\nMax-Planck-Institute for Mathematics\n\n\nLaurent Fargues\nInstitut de Mathématiques de Jussieu\n\n\nJean-Marc Fontaine\nUniversité Paris-Sud\n\n\nOfer Gabber\nInstitut des Hautes Études Scientifiques\n\n\nMichel Gros\nUniversité Rennes 1\n\n\nLars Hesselholt\nUniversity of Copenhagen\n\n\nDmitry Kaledin\nSteklov Math Institute\n\n\nKiran Kedlaya\nUC San Diego\n\n\nMinhyong Kim\nUniversity of Oxford\n\n\nRuochuan Liu\nBeijing International Center for Mathematical Research\n\n\nJacob Lurie\nHarvard University\n\n\nMatthew Morrow\nCNRS\, Jussieu\n\n\nWiesława Nizioł\nÉcole Normale Supérieure de Lyon\n\n\nMartin Olsson\nUC Berkeley\n\n\nPeter Scholze\nUniversität Bonn\n\n\nTakeshi Tsuji\nUniversity of Tokyo\n\n\n\n\nAbstracts\n\n[latex][/latex] \nAhmed Abbes: Lifting the Cartier transform of Ogus-Vologodsky modulo p^n [following H. Oyama\, A. Shiho and D. Xu]\nIn their seminal work\, A. Ogus and V. Vologodsky constructed an analogue of Simpson correspondence in characteristic \(p>0\). More precisely\, given a smooth scheme \(X\) over a perfect field \(k\) of characteristic \(p>0\)\, together with a lifting modulo \(p^2\)\, they constructed a functor (the Cartier transform) from the category of modules with integrable connection on \(X\) to the category of Higgs modules on \(X’\) (the base change of \(X\) by the Frobenius of \(k\))\, each subject to a suitable nilpotence condition.Almost simultaneously\, G. Faltings proposed a \(p\)-adic analogue of the Simpson correspondence. The relationship between these two correspondences remains mysterious\, and the first challenge is to lift the Cartier transform modulo \(p^n\). A. Shiho did the first step by lifting the “local” correspondence modulo \(p^n\)\, given a lifting of the relative Frobinus modulo \(p^{n+1}\). Independently\, in his thesis under the supervision of T. Tsuji\, H. Oyama proposed a very beautiful interpretation of the Cartier transform (modulo \(p\)) as the pull-back by a morphism of ringed topoi. In his PhD thesis\, my student D. Xu uses Oyama topos to “glue” Shiho’s local constructions and hence lift the Cartier transform modulo \(p^n\)\, under the (only) assumption that \(X\) lifts to a smooth formal scheme over the Witt vectors of k. \nAbbes will report on the works of Shiho\, Oyama and Xu. \n\n  \n\n  \nBryden Cais: Breuil—Kisin modules and crystalline cohomology\nLet \(k\) be a perfect field of characteristic \(p\)\, and \(K\) a totally ramified extension of \(W(k)[1/p]\). The theory of Breuil—Kisin modules provides a classification of stable lattices in crystalline \(p\)-adic representations of the absolute Galois group\, \(G_K\)\, of \(K\) via finite-height Frobenius modules over the power series ring \(W(k)[[u]]\). On the other hand\, the \(i\)-th integral \(p\)-adic etale cohomology of a smooth and proper formal scheme \(X\) over the ring of integers \(O_K\) in \(K\) provides a stable lattice in a crystalline \(p\)-adic \(G_K\)-representation\, and so has a Breuil—Kisin module attached to it. In this case\, it is natural to ask if the associated Breuil—Kisin module can be described in terms of the crystalline cohomology of \(X\). Recent work of Bhatt\, Morrow\, and Scholze provides such a description after extending scalars to the period ring A_inf.In this talk\, Cais will explain how to descend this result to obtain the Breuil—Kisin module over \(W(k)[[u]]\) when \(i < p-1\) and the crystalline cohomology of the special fiber of \(X\) is \(p\)-torsion-free in degrees \(i\) and \(i+1\). \nThis is joint work with Tong Liu. \n\n  \n\n  \nAna Caraiani: Galois representations and torsion classes\nCaraiani will describe joint work in progress with Allen\, Calegari\, Gee\, Helm\, Le Hung\, Newton\, Scholze\, Taylor\, and Thorne on potential modularity for elliptic curves over imaginary quadratic fields. The key ingredients are a version of the Taylor-Wiles patching argument due to Calegari and Geraghty\, and a result on torsion in the cohomology of Shimura varieties that is joint with Scholze. She will focus on explaining how to prove cases of local-global compatibility for torsion classes.\n  \n\n  \nPierre Colmez: Cohomology of \(p\)-adic analytic curves\n  \n\n  \nLaurent Fargues: Simple connectedness of the fibers of an Abel-Jacobi morphism and local class field theory\n  \n\n  \nMichel Gros: Simpson correspondance in characteristic \(p>0\) and splittings ​of the algebra of PD-differential operators\nWe will present the Simpson correspondance in positive characteristic set out by Ogus and Vologodsky from the perspective of splittings of a completion of the algebra of PD-differential operators viewed as an Azumaya algebra over its center.\n  \n\n  \nDmitry Kaledin: Co-periodic cyclic homology\n  \n\n  \nKiran Kedlaya: Tautological local systems and (phi\, Gamma)-modules\nIn his 2010 ICM lecture\, Kedlaya proposed a construction of “tautological” relative (phi\, Gamma)-modules on a suitable period domain\, which would on the admissible locus correspond to the tautological crystalline local system. This was based on an at-the-time rudimentary and unnamed theory\, now recognizable as the theory of perfectoid spaces. In light of the vast improvements in the theory since then\, we finally revisit this proposal.\n  \n\n  \nMinhyong Kim: Reciprocity laws and principal bundles\nThe study of principal bundles and their moduli is ubiquitous in number theory. The problem of determining the locus of global moduli spaces inside local ones gives rise to precise questions on reciprocity laws with definite applications to Diophantine problems. This talk will give a rather speculative summary of these ideas and results.\n  \n\n  \nRuochuan Liu: Logarithmic \(OB_{dR}\)\nWe will discuss a construction of the logarithmic version of \(OB_{dR}\) and some related applications.\n  \n\n  \nWiesia Niziol: Cohomology of \(p\)-adic Stein spaces\nNiziol will describe how the geometric \(p\)-adic pro-etale cohomology of \(p\)-adic Stein spaces with semistable reduction can be recovered from their de Rham and Hyodo-Kato cohomologies. She will also discuss some examples. This is based on a joint work with Pierre Colmez and Gabriel Dospinescu.\n  \n\n  \nTakeshi Tsuji: The relative Fontaine-Laffaille theory and Ainf representations with Frobenius.\nMotivated by the work by Bhatt-Morrow-Scholze on integral \(p\)-adic Hodge theory\, we study an analogue of Breuil-Kisin-Fargues theory for free \(\mathbb{Z}_p\)-representations appearing in the relative Fontaine-Laffaille theory by Faltings. We show that Galois cohomology décalée in the sense of BMS is related to de Rham complex with coefficients similarly to their work on the constant coefficients. We also obtain a new proof of the fully faithfulness of the functor from the category of “filtered Frobenius crystals” to that of free \(\mathbb{Z}_p\) representations.\n  \n\n  \nIntegral \(p\)-adic Hodge theory and topological cyclic homology (series)\n\n1) Matthew Morrow: An overview of “Integral \(p\)-adic Hodge theory”\nMorrow will provide an overview of some of the main constructions of the paper “Integral \(p\)-adic Hodge theory” joint with Bhatt and Scholze. In particular\, he will explain the construction — via décalage functors\, almost purity\, and period sheaves on the pro-étale site — of \(A\Omega\)\, relating \(p\)-adic etale cohomology and Langer—Zink’s relative de Rham—Witt sheaves. Its alternative construction\, via topological cyclic homology\, will be given in Scholze’s second talk.\n  \n\n  \n2) Peter Scholze: Hochschild homology\, cyclic homology\, and relations to de Rham cohomology\nThis talk will recall some classical facts: First\, we give the definitions of Hochschild homology and (negative\, and periodic) cyclic homology. Then\, for smooth commutative algebras over a characteristic 0 field\, we will compute these theories in terms of de Rham cohomology.\n  \n\n  \n3) Jacob Lurie: Topological Hochschild Homology\nHochschild homology is an algebraic invariant of pairs \((R\,A)\)\, where \(R\) is a commutative ring and \(A\) is an associative algebra over \(R\). In particular\, one can consider the “absolute” Hochschild homology of an associative ring \(A\)\, taking \(R\) to be the ring of integers. However\, it turns out that there is an even more “absolute” version of the same construction\, called topological Hochschild homology\, which is obtained by taking \(R\) to be the sphere spectrum.In this talk\, Lurie will give a brief introduction to the language of spectra\, outline the construction of topological Hochschild homology\, and give some sense of why it might be preferable to its algebraic cousin. \n\n  \n\n  \n4) Lars Hesselholt: \(THH\) and cyclotomic spectra\nTopological Hochschild homology was defined by Bökstedt in the mid-eighties to be Hochschild homology relative to the initial ring \(\mathbb{S}\) of higher algebra. As noticed by Bökstedt-Hsiang-Madsen\, topological Hochschild homology\, surprisingly\, comes equipped with a Frobenius operator \(\varphi_p\) for every prime number \(p\). This structure is encoded in the notion of a cyclotomic spectrum\, the proper definition of which was given only recently by Nikolaus-Scholze. In addition to its cyclotomic spectrum structure\, one expects topological Hochschild homology to admit a natural “weight” filtration such that\, for schemes over \(\mathbb{F}_p\)\, the geometric Frobenius acts as \(p^w\varphi_p\) on the \(w\)th graded piece for the filtration. Bhatt-Morrow-Scholze have now constructed this filtration\, at least for schemes over \(\mathbb{Z}_p\).\n  \n\n  \n5) Peter Scholze: A “weight” filtration on \(THH\)\, and its relation with (crystalline cohomology and) \(A\Omega\)\n(joint work with Bhargav Bhatt and Matthew Morrow)For \(p\)-complete commutative rings\, we define a “weight” filtration on THH and related objects like \(TR^n\)\, \(TF\)\, \(THH^{hS^1}\) and \(TC\) (the latter two under mild hypothesis on the ring). For smooth \(F_p\)-algebras\, the graded pieces recover objects known from crystalline cohomology\, such as (truncations of) \(\Omega\) (for \(THH\))\, \(W_n\Omega\) (for \(TR^n\))\, \(W\Omega\) (truncated for \(TF\)\, untruncated for \(THH^{hS^1})\)\, along with the Nygaard filtration on it\, which can be used to define Milne’s sheaves \(Z_p(r)=\nu_r[-r]\) (which are \(r\)-th graded piece of \(TC\)). Similarly\, for smooth \(O_{C_p}\)-algebras\, the graded pieces recover objects known from our paper on integral \(p\)-adic Hodge theory\, such as (truncations of) \(\tilde{\Omega}\) (for \(THH\))\, \(\tilde{W_n\Omega}\) (for \(TR^n\)) and \(A\Omega\) (truncated for \(TF\)\, untruncated for \(THH^{hS^1}\))\, along with a Nygaard filtration on it\, which can be used to construct certain syntomic complexes \(Z_p(r)\) (which are the \(r\)-th graded piece of \(TC\)). \nScholze will explain the construction of the filtration\, and outline the proof of these comparison results. (Already the crystalline case is new.) An application is an extended definition of \(A\Omega\)\, which gives the descent of Breuil—Kisin—Fargues modules to Breuil—Kisin modules for proper smooth (formal) schemes defined over a discretely valued field. \n\n\n\nTravel\n\nAir\nThe foundation will coordinate and purchase your air travel to the symposium. Please provide your travel specifications by clicking the registration link above.Participants arriving via plane will arrive via Munich International Airport (MUC). \n\nTrain\nThe closet train station to Schloss Elmau is Klais. Those traveling by train are advised to book their tickets directly and request reimbursement from the foundation at the conclusion of the meeting.All participants are required to arrive on Sunday prior to the meeting’s start and attend the entire week. No accommodations will be made for partial participation. \n\nAdditional Night at Elmau\nThe official departure date for all participants is Saturday (meeting activities conclude Friday evening). As a special bonus participants may depart on Sunday at no additional cost. Please note your desired departure date when registering.\nPassports\nPassports are required.\nLocal Ground Transportation\n\nArrival at Munich International Airport\nThe foundation will arrange for your transfer from MUC airport to Schloss Elmau via a private car. After claiming your luggage at baggage claim you will proceed to the exit where a uniformed driver holding a Schloss Elmau sign will greet you. Upon arrival at MUC\, if you are unable to locate your driver please call Taxi Mathe directly.Taxi Mathe\, Mr. Mathe\ntaxi.mathe@googlemail.com\nphone 08821 9663691\nmobile 0170 8399 933 \nTravel time from Munich to Schloss Elmau is 90 minutes. \n\nArrival at Klais Train Station\nThe foundation will arrange for your transfer from Klais train station to Schloss Elmau via a hotel shuttle.Travel time from Kalis to Elmau is approximately 15 minutes. \n\nDeparture from Schloss Elmau\nThe day prior to your departure you will receive a departure letter advising on your departure time to the airport or train station via private car. Please meet your driver in the hotel lobby ten minutes prior to your noted departure time. If for any reason your flight departure time changes\, please visit the front desk to update hotel staff.\n\n\nHotel\nSchloss Elmau Luxury Spa & Cultural Hideaway\nIn Elmau 2\, 82493 Krün\nGermany\nTel: +49 (0) 8823 18-0\nwww.schloss-elmau.deCheck-in time is at 4:30 PM\nCheck-out time is 11:30 AM \n\nMeals\n\nWhile Traveling\nOn days when participants are traveling to or from Germany the foundation will reimburse up to US $50 per day for meals.\nDay of Arrival (Sunday)\nParticipants may dine on their own at any one of Schloss Elmau’s onsite restaurants\, the cost of which will be covered by the foundation.\nMonday through Friday\nAll meals occurring during the meeting week will be covered directly by the Simons Foundation. Participants are expected to be present for all foundation-hosted meals.Breakfast will be served daily starting at 7:30 AM at La Salle restaurant. Food at La Salle is served buffet-style and is open to all hotel guests and a table has been set aside so that symposia participants may dine together. \nLunch will be served daily at La Salle. \nDinner will be hosted around the hotel property at one of the restaurants. Locations are noted on the agenda. \n\nDay of Departure (Saturday)\nIf departing on Saturday\, your breakfast will be covered by the foundation. If you choose to depart on Sunday\, you are responsible for all your meals from Saturday lunch onward.\n\nContacts\n\nRegistration and Travel Assistance\nChristophe Vergnol\nchristophe.vergnol@protravelinc.com\n(646) 747-9767\nRegistration\, Hotel and General Meeting Assistance\nMeghan Fazzi\nSenior Executive Assistant\, Simons Foundation\nmfazzi@simonsfoundation.org\n(212) 524-6080\n\nReimbursement and Travel Policy\nAny expenses not directly paid for by the Simons Foundation are subject to reimbursement based on the travel policy. An email will be sent within a week following the conclusion of the symposium with further instructions on submitting your expenses via the foundation’s web-based expense reimbursement platform.Receipts are required for any expenses over $50 USD and are due within THIRTY DAYS (30) after the conclusion of the symposium. Should you have any questions\, please contact Meghan Fazzi. \nGuest Policy\nIt is the foundation’s policy to discourage spouses\, families or others from joining participants during the meeting. Participants who choose to invite guests to come before or stay on after the meeting do so at their own expense. The Simons Foundation will not cover expenses associated with such extensions.\nAdditional Nights\nShould you decide to extend your stay\, Schloss Elmau will honor the conference rate of €337.50/night for up to two nights. Any nights beyond those associated with the conference will not be reimbursed by the foundation. Please note on your registration form if you wish to extend your stay.\n\n\n\n« Back to Simons Symposia
URL:https://www.simonsfoundation.org/event/p-adic-hodge-theory/
LOCATION:Schloss Elmau\, In Elmau 2\,\, 82493 Krün\, Germany
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170509T130000
DTEND;TZID=America/New_York:20170509T133000
DTSTAMP:20260413T162000
CREATED:20170803T170716Z
LAST-MODIFIED:20170816T200449Z
UID:12447-1494334800-1494336600@www.simonsfoundation.org
SUMMARY:CCA Short Talks with Marc Huertas-Company
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/cca-short-talks-with-marc-huertas-company/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170511T100000
DTEND;TZID=America/New_York:20170511T170000
DTSTAMP:20260413T162000
CREATED:20170803T171922Z
LAST-MODIFIED:20170803T171922Z
UID:12452-1494496800-1494522000@www.simonsfoundation.org
SUMMARY:Quenched Galaxies Workshop
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/quenched-galaxies-workshop/
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20170514
DTEND;VALUE=DATE:20170521
DTSTAMP:20260413T162000
CREATED:20161122T050000Z
LAST-MODIFIED:20250813T174324Z
UID:4251-1494720000-1495324799@www.simonsfoundation.org
SUMMARY:Non-Archimedean and Tropical Geometry (2017)
DESCRIPTION:May 14-20\, 2017\nNote: Attendance is by invitation only. \nOrganizers:\nMatt Baker\, Georgia Institute of Technology\nSam Payne\, Yale University \nPrevious years:\n\nNon-Archimedean and Tropical Geometry 2015\nNon-Archimedean and Tropical Geometry 2013\n\nOrganized by Matthew Baker (Georgia Tech) and Sam Payne (Yale University)\, the symposium will focus on setting a clear agenda for future developments in the related fields of tropical and non-Archimedean analytic geometry. One of the meeting goals is to produce high quality expository material presenting the methods\, results and ambitions of these active research areas. Another is to identify problems in other fields of mathematics that could be amenable to tropical and non-Archimedean analytic methods and establish new rigorous links with those neighboring fields. \nDiscussion Topics Include:\n\nCombinatorial and tropical analogues of Hodge theory\nRefined curve counting\, tropical geometry\, and motivic invariants\nWild coverings of curves and lifting problems for algebraic and tropical curves\nRational points on curves\, p-adic integration\, and relations with tropical geometry\n\n\nAgenda\n\nDownload agenda PDF here. \n\n\n\nSunday\n\n\n\n7:30 -9:30 PM\nDinner at La Salle\n\n\nMonday\n\n\n\n8:00 – 9:30 AM\nBreakfast at La Salle\n\n\n9:30 – 10:30 AM\nIlia Itenberg\n Tropical homology and Betti numbers of real algebraic varieties\n\n\n10:30 – 11:00 AM\nBreak\n\n\n11:00 – 12:00 PM\nKristin Shaw\nSuperforms and tropical cohomology\n\n\n12:30 – 1:30 PM\nLunch at La Salle\n\n\n1:30 – 4:00 PM\nDiscussion & Recreation*\n\n\n4:00 – 4:30 PM\nTea\n\n\n4:30 – 5:30 PM\nYifeng Liu\nTropical Dolbeault cohomology over non-Archimedean fields\n\n\n5:30 – 5:45 PM\nBreak\n\n\n5:45 – 6:45 PM\nMelody Chan\nTopology of the tropical moduli spaces of curves\n\n\n7:30 – 9:30 PM\nDinner at La Salle\n\n\nTuesday\n\n\n\n8:00 – 9:30 AM\nBreakfast at La Salle\n\n\n9:30 – 10:30 AM\nMattias Jonsson\nTropical and non-Archimedean limits of degenerating families of volume forms\n\n\n10:30 – 11:00 AM\nBreak\n\n\n11:00 – 12:00 PM\nJosé Ignacio Burgos Gil\nA local approach to the non-Archimedean Monge-Ampère equation\n\n\n12:30 – 1:30 PM\nLunch at La Salle\n\n\n1:30 – 4:00 PM\nDiscussion & Recreation*\n\n\n4:00 – 4:30 PM\nTea\n\n\n4:30 – 5:30 PM\nTony Yue Yu\nThe Frobenius conjecture in dimension two\n\n\n5:30 – 5:45 PM\nBreak\n\n\n5:45 – 6:45 PM\nProblem Session\n\n\n7:30 – 9:30 PM\nDinner at Wintergarden\n\n\nWednesday\n\n\n\n8:00 – 9:30 AM\nBreakfast at La Salle\n\n\n9:45 – 2:00 PM\nGuided Hike to Partnach Gorge\n\n\n2:00 – 3:00 PM\nLunch at Wintergarden\n\n\n3:00 – 4:00 PM\nRecreation & Discussion\n\n\n4:00 – 4:30 PM\nTea\n\n\n4:00 – 5:30 PM\nJoe Rabinoff\nPotential theory on curves\, p-adic integration\, and rational points\n\n\n5:30 – 5:45 PM\nBreak\n\n\n5:45 – 6:45 PM\nEric Katz\nUniform bounds on torsion points on curves\n\n\n7:30 – 9:30 PM\nDinner at La Salle\n\n\nThursday\n\n\n\n8:00 – 9:30 AM\nBreakfast at La Salle\n\n\n9:30 – 10:30 AM\nMichael Temkin\n On wild coverings of Berkovich curves\n\n\n10:30 – 11:00 AM\nBreak\n\n\n11:00 – 12:00 PM\nStefan Wewers\nWildly ramified covers I: Swan conductors and semistable reduction\n\n\n12:30 – 1:30 PM\nLunch at La Salle\n\n\n1:30 – 4:00 PM\nDiscussion & Recreation*\n\n\n4:00 – 4:30 PM\nTea\n\n\n4:30 – 5:30 PM\nAndrew Obus\nWildly ramified covers\, II: Swan conductors\, the Berkovich different\, and lifting\n\n\n5:30 – 5:45 PM\nBreak\n\n\n5:45 – 6:45 PM\nProblem Session\n\n\n7:30 – 9:30 PM\nDinner at La Salle\n\n\nFriday\n\n\n\n8:00 – 9:30 AM\nBreakfast at La Salle\n\n\n9:30 – 10:30 AM\nJérôme Poineau\nRadii of convergence of \(p\)-adic differential equations and ramification\n\n\n10:30 – 11:00 AM\nBreak\n\n\n11:00 – 12:00 PM\nSam Payne\n Brill-Noether theory for curves of a fixed gonality\, after Jensen and Ranganathan\n\n\n12:30 – 1:30 PM\nLunch at La Salle\n\n\n1:30 – 4:00 PM\nDiscussion & Recreation*\n\n\n4:00 – 4:30 PM\nTea\n\n\n4:30 – 5:30 PM\nJune Huh\nNegative correlation and Hodge-Riemann relations\n\n\n5:30 – 5:45 PM\nBreak\n\n\n5:45 – 6:45 PM\nJohannes Nicaise\nA motivic Fubini theorem for the tropicalization map\n\n\n7:30 – 9:30 PM\nDinner at Kaminstüberl & Magic with Matt\n\n\nLocations\n\n\n\nSESSIONS\nPavillion located at the Schloss Elmau Retreat\n\n\nMEALS\nLa Salle unless otherwise noted\n\n\nTEA & DISCUSSION\nPavillion located at the Schloss Elmau Retreat\n\n\nEXCURSION\nMeet in Schloss Elmau Lobby\n\n\nSATURDAY DEPARTURE\nMeet in Schloss Elmau Lobby\n\n\n\n*Participants may explore the hotel property and its surrounding areas as well as engage in informal discussion with other participants. \nStart Time\nThe meeting will begin on Monday morning at 9:30 am in the Pavillon meeting room located at the Schloss Elmau Retreat. Breakfast will start at 8:00 am in La Salle restaurant.\nMeeting Location\nAll symposium activities will take place in the Pavillon meeting room located at the Schloss Elmau Retreat.\nAV\nParticipants will have access to a projector and screen for computer based talks as well as blackboards for those who prefer to give board-based talks. High-speed Internet access is available as well.\nWednesday Excursion\nOn Wednesday symposia activities will be shortened so that anyone interested may attend a hiking excursion. Participants will embark on a fully guided hiking tour from Schloss-Elmau through the Partnach Gorge. The hike difficulty is moderate and will take approximately 3 hours.\nDress Code\nBusiness casual clothing should be worn during the symposia. The weather can change very quickly so we also advise bringing warm-weather clothing appropriate for spring in the mountains.If you plan on taking part in the hike to Partnach Gorge we advise you to wear hiking boots\, or even better\, light mountain boots\, warm clothing (e.g. a sweater)\, sun protection (e.g. light cap) and take waterproofs (e.g. raincoat or umbrella) with you. Bringing along a small backpack or satchel in which to carry your water\, camera and other items may also be useful to you. \n\n\nParticipants\n\nDownload participant list PDF here. \n\n\n\nKarim Adiprasito\nHebrew University\n\n\nMatt Baker\nGeorgia Institute of Technology\n\n\nVladimir Berkovich\nWeizmann Institute of Science\n\n\nJosé Ignacio Burgos Gil\nInstituto de Ciencias Matemáticas\n\n\nDustin Cartwright\nUniversity of Tennessee\n\n\nAntoine Chambert-Loir\nUniversité Paris-Diderot\n\n\nMelody Chan\nBrown University\n\n\nAntoine Ducros\nUniversité Paris 6\n\n\nJune Huh\nInstitute for Advanced Study\n\n\nIlia Itenberg\nUniversité Pierre et Marie Curie\n\n\nMattias Jonsson\nUniversity of Michigan\n\n\nEric Katz\nOhio State University\n\n\nYifeng Liu\nNorthwestern\n\n\nJohannes Nicaise\nImperial College London\n\n\nAndrew Obus\nUniversity of Virginia\n\n\nSam Payne\nYale University\n\n\nJérôme Poineau\nUniversité de Caen\n\n\nJoe Rabinoff\nGeorgia Institute of Technology\n\n\nKristin Shaw\nTU Berlin\n\n\nMichael Temkin\nHebrew University\n\n\nAnnette Werner\nGoethe University\n\n\nStefan Wewers\nUlm University\n\n\nTony Yue Yu\nUniversité Paris-Diderot\n\n\n\n\nAbstracts\n\nJosé Ignacio Burgos Gil\nA local approach to the non-Archimedean Monge-Ampère equation\n\nBoucksom\, Favre and Jonnson have proved the existence of solutions of the non-Archimedean Monge-Ampère equation in residue characteristic zero\, in the case when the variety has a model over the function field of a curve. This algebraicity assumption allows them to use global methods. \nIn this talk we will explain how to remove the algebraicity hypothesis by using non-archimedean volumes\, that are a local analogue of the arithmetic volumes. The non-Archimedean volumes are differentiable and allow us to prove an orthogonality property and the existence of solutions of the Monge-Ampère equation. \nIn the absence of a global hypothesis\, to study volumes it is not enough to control the space of global sections but also certain \(H^{1}\) groups. The main new input of this local approach is the use of a general version the Demailly-Angelini Holomorphic Morse inequalities (provided to us by R. Lazarsfeld) to control these first cohomology groups. \nThis is joint work with W. Gubler\, P. Jell\, K. Kunnemann and F. Martin. \n\nMelody Chan\nTopology of the tropical moduli spaces of curves\n\nThe moduli space of n-marked\, genus g tropical curves is a cell complex that was identified in work of Abramovich-Caporaso-Payne with the boundary complex of the complex moduli space \(M_{g\,n}\). I will give results on the topology of tropical \(M_{g\,n}\)\, obtaining as corollaries new calculations on the top-weight cohomology of the corresponding complex moduli spaces. Joint work with Soren Galatius and Sam Payne. \n\nJune Huh\nNegative correlation and Hodge-Riemann relations\n\nHodge-Riemann relations for finite graphs (and more generally matroids) are only partially understood. Huh will explain what is meant by this\, and speculate on generalizations of known facts. This talk will be non-technical: Nothing will be assumed beyond basic linear algebra. \n\nIlia Itenberg\n Tropical homology and Betti numbers of real algebraic varieties\n\nUnder some assumptions\, a tropical variety can be approximated by a one-parametric family of complex varieties\, which provides an important link between complex and tropical geometries. The purpose of this talk is to discuss tropical homology together with its relations to Hodge decompositions (respectively\, homology) in complex (respectively\, real) world. \n\nMattias Jonsson\nTropical and non-Archimedean limits of degenerating families of volume forms\n\nKontsevich and Soibelman have given a conjectural description of the Gromov-Hausdorff limit of a maximally degenerate family of polarized Calabi-Yau manifolds in terms of the Berkovich space attached to the degeneration. Motivated by this\, Mustata\, Nicaise and Xu recently studied the essential skeleton of this Berkovich space\, which is a natural realization of the dual complex of a minimal model of the degeneration. \nJonsson will present joint work with Sebastien Boucksom\, in which they show that the volume form induced by a holomorphic form of top degree on a fiber converges\, in a suitable sense\, to an explicit Lebesgue type measure on the essential skeleton. \n\nEric Katz\nUniform bounds on torsion points on curves\n\nKatz will discuss the recent proof with Joseph Rabinoff and David Zureick-Brown that there is a uniform bound for the number of rational points on genus g curves of Mordell-Weil rank at most g-3\, extending a result of Stoll on hyperelliptic curves. Our work also gives unconditional bounds on the number of rational torsion points and bounds on the number of geometric torsion points on curves with very degenerate reduction type. Our bounds\, like many in Diophantine geometry work by showing that the points to bounded are contained in the zero set of a collection of functions and then bounding the zeroes of those functions. Katz will focus on the challenges in making those zero bounds uniform\, focusing on p-adic integration on bad reduction curves. He will also describe some work in progress towards unifying the Coleman-Chabauty method with Buium’s method of differential characters. \n\nYifeng Liu\nTropical Dolbeault cohomology over non-Archimedean fields\n\nIn this talk\, Liu will introduce the the notion of tropical Dolbeault cohomology for algebraic variety\, or more generally analytic spaces\, over non-Archimedean fields\, using the construction of real forms by Chambert-Loir and Ducros. Liu will define the cycle class map into this cohomology and study some fundamental properties. If time permits\, Liu will also discuss some analogue of Hodge theory for this cohomology. \n\nJohannes Nicaise\nA motivic Fubini theorem for the tropicalization map\n\nThis talk is based on joint work with Sam Payne. Nicaise will present a Fubini theorem for the tropicalization map in the context of Hrushovski and Kazhdan’s theory of motivic integration. As an application\, Nicaise will prove a conjectural description by Davison and Meinhardt of the motivic nearby fiber of a weighted homogeneous polynomial. This conjecture emerged in the theory of motivic Donaldson-Thomas invariants. \n\nAndrew Obus\nWildly ramified covers\, II: Swan conductors\, the Berkovich different\, and lifting\n\nObus considers the question of whether a wildly ramified Galois cover of curves in characteristic p lifts to characteristic zero. This is equivalent to the Local Lifting Problem discussed in Stefan Wewers’s lecture. Obus will give a brief overview of some of the known results\, but will then focus on a particular technique involved in the resolution of the “Oort conjecture” (that cyclic covers lift). Using this technique\, one can show that under certain circumstances\, a family of covers of a non-archimedean disk has at least one fiber that is itself a disk. This is a crucial step in the proof of the Oort conjecture\, as well as in further work on lifting metacyclic covers. The major idea is to understand the location of certain “kinks” in the piecewise linear function given by Cohen-Temkin-Trushin’s Berkovich different. \n\nSam Payne\n Brill-Noether theory for curves of a fixed gonality\, after Jensen and Ranganathan\n\nPayne will present recent work of D. Jensen and and D. Ranganathan\, proving a generalization of the Brill-Noether theorem for the variety of special divisors on a general curve of given genus and gonality. This work builds on earlier results of Pflueger\, who analyzed the tropical geometry of special divisors on chains of loops to give an upper bound for the dimensions of these varieties. The main result is that this upper bound is sharp\, and the proof blends techniques from logarithmic stable maps and nonarchimedean analytic geometry. \n\nJérôme Poineau\nRadii of convergence of (p)-adic differential equations and ramification\n\nFollowing F. Baldassarri\, to any module with connection on a quasi-smooth \(p\)-adic Berkovich curve and any point of this curve\, one may associate a family of radii of convergence. Given a finite étale morphism \(f : Y \to X\) of quasi-smooth \(p\)-adic Berkovich curves and a module with connection \((\mathcal{F}\,\nabla)\) on \(Y\)\, one can get one on \(X\) by push-forward. We explain how to relate the radii of convergence of the two modules using invariants coming from the topological behavior of the morphism \(f\). When \((\mathcal{F}\,\nabla)\) is the trivial module with connection\, we use results of M. Temkin to prove that the radii of convergence of the push-forward at a point \(x\) in \(X\) of type 2 are the jumps of the upper ramification filtration of the various extensions \(\mathcal{H}(y)/\mathcal{H}(x)\)\, where \(y\) runs through the preimages of \(x\). This is joint work with Velibor Bojković. \n\nJoe Rabinoff\nPotential theory on curves\, p-adic integration\, and rational points\n\nIn this talk we show how potential theory on Berkovich curves leads to bounding the number of zeros of locally analytic functions on annuli. We then apply Chabauty’s method and work of Stoll to give a bound on the number of rational points of a hyperbolic curve which is uniform in the genus. \n\nKristin Shaw\nSuperforms and tropical cohomology\n\nThis talk will present another approach to tropical cohomology via superforms. Superforms are bigraded real valued differential forms on polyhedral spaces introduced by Lagerberg. Shaw will begin by explaining our result that the Dolbeault cohomology of superforms is canonically isomorphic to tropical cohomology. She will also discuss our proof of a version of Poincaré duality for tropical manifolds. This is joint work with Philipp Jell and Jascha Smacka. \nShaw will then survey open questions about possible properties of tropical cohomology analogous to those of Weil cohomology theories and discuss how the theory of superforms may provide a fruitful approach to these questions. Finally\, she will comment on recent joint work towards a tropical version of the Lefschetz (1\, 1) Theorem with Philipp Jell and Johannes Rau. \n\nMichael Temkin\n On wild coverings of Berkovich curves\n\nThe structure of residually tame morphisms f between Berkovich curves over an algebraically closed field k is adequately described by its skeleton enhanced to a morphism of metric graphs with reduction k-curves attached to the vertices. In particular\, the corresponding morphism of enhanced graphs is the only discrete invariant of f\, and a lifting theorem of Amini-Baker-Brugallé-Rabinoff shows that any suitable morphism of such graphs lifts to a morphism of Berkovich curves\, see [ABBR15]. \nThis lecture is devoted to the structure of residually wild morphisms f\, which is far more complicated but was clarified to a large extent in recent works [CTT16] and [Tem14]. In particular\, Temkin will describe the residually wild locus of f in terms of a new combinatorial invariant of the morphism\, the profile function\, and will explain how the profile function is related to the classical higher ramification theory. In the end of his talk Temkin will report on my work in progress with U. Brezner\, where we study the lifting problem for “moderately wild” morphisms whose residual inseparability index does not exceed p. In this case\, the only new invariant is the different function\, and one can associate to reduction curves a new reduction invariant\, an exact differential form. This invariant is finer than the different δf \, in particular\, it controls the slopes of δf and can be used to reprove the local Riemann-Hurwitz formulas in the moderately wild case. We expect that the lifting in this case is possible once one takes the reduction differential forms into account. \nReferences \n[ABBR15] Omid Amini\, Matthew Baker\, Erwan Brugallé\, and Joseph Rabinoff\, Lifting harmonic morphisms I: metrized complexes and Berkovich skeleta\, Res. Math. Sci. 2 (2015)\, Art. 7\, 67. MR 3375652 \n[CTT16] Adina Cohen\, Michael Temkin\, and Dmitri Trushin\, Morphisms of Berkovich curves and the different function\, Adv. Math. 303 (2016)\, 800–858. MR 3552539 \n[Tem14] Michael Temkin\, Metric uniformization of morphisms of Berkovich curves\, ArXiv e-prints (2014)\, http://arxiv.org/abs/1410.6892. \n\nStefan Wewers\nWildly ramified covers I: Swan conductors and semistable reduction\n\nThis talk and the next one (by Andrew Obus) are aimed at giving a survey of certain results on reduction and lifting of Galois covers of curves. \nWewers will start by recalling the definition (by Kato and Saito) of the refined Swan conductor\, in the context of a wildly ramified Galois cover of a Berkovich curve. He will briefly compare this to the invariants defined in the previous talk by Michael Temkin. Wewers will then explain two applications. The first application is to the explicit computation of semistable reduction of curves. We focus on the case of covers of degree p\, where we can give an essentially complete answer. The second application is to the Local Lifting Problem. Here we explain the so-called Hurwitz tree obstruction which can be used to show that certain Galois covers of germs of curves in characteristic p cannot be lifted to characteristic zero. \n\nTony Yue Yu\nThe Frobenius conjecture in dimension two\n\nWe apply the counting of non-archimedean holomorphic curves to the construction of the mirror of log Calabi-Yau surfaces. In particular\, we prove the Frobenius structure conjecture of Gross-Hacking-Keel in dimension two. This is joint work with Sean Keel. \n\n\nTravel\n\nAir\nThe foundation will coordinate and purchase your air travel to the symposium. Please provide your travel specifications by clicking the registration link above.Participants arriving via plane will arrive via Munich International Airport (MUC). \n\nTrain\nThe closet train station to Schloss Elmau is Klais. Those traveling by train are advised to book their tickets directly and request reimbursement from the foundation at the conclusion of the meeting.All participants are required to arrive on Sunday prior to the meeting’s start and attend the entire week. No accommodations will be made for partial participation. \n\nAdditional Night at Elmau\nThe official departure date for all participants is Saturday (meeting activities conclude Friday evening). As a special bonus participants may depart on Sunday at no additional cost. Please note your desired departure date when registering.\nPassports\nPassports are required.\nLocal Ground Transportation\n\nArrival at Munich International Airport\nThe foundation will arrange for your transfer from MUC airport to Schloss Elmau via a private car. After claiming your luggage at baggage claim you will proceed to the exit where a uniformed driver holding a Schloss Elmau sign will greet you. Upon arrival at MUC\, if you are unable to locate your driver please call Taxi Mathe directly.Taxi Mathe\, Mr. Mathe\ntaxi.mathe@googlemail.com\nphone 08821 9663691\nmobile 0170 8399 933 \nTravel time from Munich to Schloss Elmau is 90 minutes. \n\nArrival at Klais Train Station\nThe foundation will arrange for your transfer from Klais train station to Schloss Elmau via a hotel shuttle.Travel time from Kalis to Elmau is approximately 15 minutes. \n\nDeparture from Schloss Elmau\nThe day prior to your departure you will receive a departure letter advising on your departure time to the airport or train station via private car. Please meet your driver in the hotel lobby ten minutes prior to your noted departure time. If for any reason your flight departure time changes\, please visit the front desk to update hotel staff.\n\n\nHotel\nSchloss Elmau Luxury Spa & Cultural Hideaway\nIn Elmau 2\, 82493 Krün\nGermany\nTel: +49 (0) 8823 18-0\nwww.schloss-elmau.deCheck-in time is at 4:30 PM\nCheck-out time is 11:30 AM \n\nMeals\n\nWhile Traveling\nOn days when participants are traveling to or from Germany the foundation will reimburse up to US $50 per day for meals.\nDay of Arrival (Sunday)\nParticipants may dine on their own at any one of Schloss Elmau’s onsite restaurants\, the cost of which will be covered by the foundation.\nMonday through Friday\nAll meals occurring during the meeting week will be covered directly by the Simons Foundation. Participants are expected to be present for all foundation-hosted meals.Breakfast will be served daily starting at 7:30 AM at La Salle restaurant. Food at La Salle is served buffet-style and is open to all hotel guests and a table has been set aside so that symposia participants may dine together. \nLunch will be served daily at La Salle. \nDinner will be hosted around the hotel property at one of the restaurants. Locations are noted on the agenda. \n\nDay of Departure (Saturday)\nIf departing on Saturday\, your breakfast will be covered by the foundation. If you choose to depart on Sunday\, you are responsible for all your meals from Saturday lunch onward.\n\nContacts\n\nRegistration and Travel Assistance\nChristophe Vergnol\nchristophe.vergnol@protravelinc.com\n(646) 747-9767\nRegistration\, Hotel and General Meeting Assistance\nMeghan Fazzi\nSenior Executive Assistant\, Simons Foundation\nmfazzi@simonsfoundation.org\n(212) 524-6080\n\nReimbursement and Travel Policy\nAny expenses not directly paid for by the Simons Foundation are subject to reimbursement based on the travel policy. An email will be sent within a week following the conclusion of the symposium with further instructions on submitting your expenses via the foundation’s web-based expense reimbursement platform.Receipts are required for any expenses over $50 USD and are due within THIRTY DAYS (30) after the conclusion of the symposium. Should you have any questions\, please contact Meghan Fazzi. \nGuest Policy\nIt is the foundation’s policy to discourage spouses\, families or others from joining participants during the meeting. Participants who choose to invite guests to come before or stay on after the meeting do so at their own expense. The Simons Foundation will not cover expenses associated with such extensions.\nAdditional Nights\nShould you decide to extend your stay\, Schloss Elmau will honor the conference rate of €337.50/night for up to two nights. Any nights beyond those associated with the conference will not be reimbursed by the foundation. Please note on your registration form if you wish to extend your stay.\n\n\n\n« Back to Simons Symposia\n[latex][/latex]
URL:https://www.simonsfoundation.org/event/non-archimedean-and-tropical-geometry-2017/
LOCATION:Schloss Elmau\, In Elmau 2\,\, 82493 Krün\, Germany
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170515T090000
DTEND;TZID=America/New_York:20170515T170000
DTSTAMP:20260413T162000
CREATED:20170803T160942Z
LAST-MODIFIED:20170803T160942Z
UID:12454-1494838800-1494867600@www.simonsfoundation.org
SUMMARY:ACTPol/AdvACT CMB Lensing Hack Week
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/actpoladvact-cmb-lensing-hack-week/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170516T124500
DTEND;TZID=America/New_York:20170516T131500
DTSTAMP:20260413T162000
CREATED:20170803T172058Z
LAST-MODIFIED:20170816T192513Z
UID:12456-1494938700-1494940500@www.simonsfoundation.org
SUMMARY:Short talk with Ryan McKinnon
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/short-talk-with-ryan-mckinnon/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170516T131500
DTEND;TZID=America/New_York:20170516T134500
DTSTAMP:20260413T162000
CREATED:20170803T172025Z
LAST-MODIFIED:20170816T192201Z
UID:12457-1494940500-1494942300@www.simonsfoundation.org
SUMMARY:Short talk with Andrej Obuljen
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/short-talk-with-andrej-obuljen/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170518T093000
DTEND;TZID=America/New_York:20170518T173000
DTSTAMP:20260413T162000
CREATED:20170803T171110Z
LAST-MODIFIED:20170816T170932Z
UID:12464-1495099800-1495128600@www.simonsfoundation.org
SUMMARY:Common Envelope Evolution
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/common-envelope-evolution/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170519T090000
DTEND;TZID=America/New_York:20170519T090000
DTSTAMP:20260413T162000
CREATED:20170809T191725Z
LAST-MODIFIED:20250813T174407Z
UID:14555-1495184400-1495184400@www.simonsfoundation.org
SUMMARY:Simons Collaboration on Algorithms & Geometry 2017 Annual Meeting
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/simons-collaboration-on-algorithms-geometry-2017-annual-meeting/
LOCATION:Gerald D. Fischbach Auditorium\, 160 5th Avenue\, New York\, NY\, 10010\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170519T170000
DTEND;TZID=America/New_York:20170519T181500
DTSTAMP:20260413T162000
CREATED:20170404T040000Z
LAST-MODIFIED:20211208T180826Z
UID:390-1495213200-1495217700@www.simonsfoundation.org
SUMMARY:The Geometry of Similarity Search
DESCRIPTION:How does one efficiently search for similar items in a large dataset\, say\, of images? This is a classic algorithmic task that arises when dealing with massive datasets. Its applications span many areas\, including information retrieval\, machine learning\, data mining\, computer vision\, signal processing\, bioinformatics\, etc. For example\, this task underlies the classic ‘nearest neighbor’ classification rule in machine learning. The natural solution for similarity search — to scan the entire dataset\, comparing a given item to each item in the dataset — is prohibitively slow for modern datasets. \nAlexandr Andoni will describe how efficient solutions for similarity search benefit from the tools and perspectives of high-dimensional geometry. The latter emerged as the natural language of similarity search: e.g.\, a 20 x 20 pixel image naturally corresponds to a 400-dimensional vector\, one coordinate per pixel. Andoni will show how geometric tools such as dimension reduction and randomized space partitions enable efficient similarity search algorithms. \nDr. Andoni is associate professor of computer science at Columbia University and a member of its Data Science Institute. Previously\, Andoni performed research at the Massachusetts Institute of Technology\, the Center for Computational Intractability (Princeton University\, New York University and the Institute for Advanced Study)\, Microsoft Research in Silicon Valley\, California\, and the Simons Institute for the Theory of Computing at the University of California\, Berkeley. Andoni focuses on advancing algorithmic foundations of massive data\, studying topics such as sublinear algorithms\, high-dimensional geometry\, metric embeddings and theoretical machine-learning.
URL:https://www.simonsfoundation.org/event/the-geometry-of-similarity-search/
LOCATION:Gerald D. Fischbach Auditorium\, 160 5th Avenue\, New York\, NY\, 10010\, United States
CATEGORIES:Interdisciplinary
ATTACH;FMTTYPE=image/png:https://sf-web-assets-prod.s3.amazonaws.com/wp-content/uploads/2017/07/10181045/Andoni.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170523T090000
DTEND;TZID=America/New_York:20170523T173000
DTSTAMP:20260413T162000
CREATED:20170803T172344Z
LAST-MODIFIED:20170816T203701Z
UID:12467-1495530000-1495560600@www.simonsfoundation.org
SUMMARY:Undergraduate Mentorship Workshop
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/undergraduate-mentorship-workshop/
LOCATION:MFA\, 915 Broadway\, 17th Fl\, New York\, NY 10010
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170524T133000
DTEND;TZID=America/New_York:20170524T140000
DTSTAMP:20260413T162000
CREATED:20170803T170745Z
LAST-MODIFIED:20170816T191749Z
UID:12471-1495632600-1495634400@www.simonsfoundation.org
SUMMARY:CCA Short Talks with Philipp Moesta
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/cca-short-talks-with-philipp-moesta/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170524T140000
DTEND;TZID=America/New_York:20170524T143000
DTSTAMP:20260413T162000
CREATED:20170803T172041Z
LAST-MODIFIED:20170816T191050Z
UID:12472-1495634400-1495636200@www.simonsfoundation.org
SUMMARY:Short Talk with Marko Simonovic\, Ph.D.
DESCRIPTION:  \n 
URL:https://www.simonsfoundation.org/event/short-talk-with-marko-simonovic-ph-d/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170602T110000
DTEND;TZID=America/New_York:20170602T120000
DTSTAMP:20260413T162000
CREATED:20170803T161247Z
LAST-MODIFIED:20170816T170039Z
UID:12476-1496401200-1496404800@www.simonsfoundation.org
SUMMARY:CCA Galaxy Formation Simulations Group Meeting
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/cca-galaxy-formation-simulations-group-meeting/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170602T130000
DTEND;TZID=America/New_York:20170602T133000
DTSTAMP:20260413T162000
CREATED:20170803T172126Z
LAST-MODIFIED:20170816T185744Z
UID:12478-1496408400-1496410200@www.simonsfoundation.org
SUMMARY:Short Talk: Kazumi Kashiyama
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/short-talk-kazumi-kashiyama/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170608T130000
DTEND;TZID=America/New_York:20170608T133000
DTSTAMP:20260413T162000
CREATED:20170803T171029Z
LAST-MODIFIED:20170816T184954Z
UID:12481-1496926800-1496928600@www.simonsfoundation.org
SUMMARY:CCA Short Talk with Aaron (Long Yan) Yung\, Rutgers
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/cca-short-talk-with-aaron-long-yan-yung-rutgers/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20170615T170000
DTEND;TZID=America/New_York:20170615T170000
DTSTAMP:20260413T162000
CREATED:20180502T142352Z
LAST-MODIFIED:20180502T142352Z
UID:35590-1497546000-1497546000@www.simonsfoundation.org
SUMMARY:SCGB West Coast Postdoc Meeting Series
DESCRIPTION:
URL:https://www.simonsfoundation.org/event/scgb-west-coast-postdoc-meeting-series-june-2017/
LOCATION:California Institute of Technology\, William G. Kerckhoff Laboratories of the Biological Sciences Norman Davidson Auditorium Room 119\, 1200 E California Blvd\,\, Pasadena\, CA\, 91125\, United States
END:VEVENT
END:VCALENDAR