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PublicationOver the last two decades, several fast, robust, and high-order accurate methods have been developed for solving the Poisson equation in complicated geometry using potential theory. In …
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PublicationSpatial orientation enables animals to navigate their environment by rapidly mapping the external world and remembering key locations. In mammals, the head-direction (HD) system is an essential …
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PublicationThe human mitotic spindle is an active self-organizing liquid crystal composed of microtubules and motor proteins. We construct a multi-scale biophysical theory bridging continuum active liquid …
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PublicationWe analyze, theoretically and empirically, the performance of generative diffusion models based on emph{blind denoisers}, in which the denoiser is not given the noise amplitude in either …
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PublicationThis paper concerns the derivation and validity of macroscopic descriptions of wave packets supported in the vicinity of degenerate points (K,E) in the dispersion relation of tight …
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PublicationNew approaches that generate long-lasting therapeutic responses in patients with therapy-resistant metastatic cancer are urgently needed. To address this challenge, we developed Spot Neoantigens in Metastases …
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PublicationStochastic Gradient Descent (SGD) introduces anisotropic noise that is correlated with the local curvature of the loss landscape, thereby biasing optimization toward flat minima. Prior work often assumes …
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PublicationDuring development, highly ordered structures emerge as cells collectively coordinate with each other. While recent advances have clarified how individual cells process and respond to external signals, understanding …
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PublicationAnimals can recognize latent structures in their environment and apply this information to efficiently navigate the world. Several works argue that the brain supports these abilities by forming …
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PublicationThe physical origin of the observed cosmic neutrinos remains an open question and the subject of active research. While matter accretion onto supermassive black holes is long thought …
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PublicationThe mass distribution of neutron stars encodes information about their formation and binary evolution. We compare the masses of two distinct populations: I) the recently identified Gaia neutron …
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PublicationWe present the first 3D Radiation-Hydrodynamics simulations of partially-stripped (\(M_\mathrm{core}\sim10M_\odot\), \(M_\mathrm{env}\sim0.1-1M_\odot\)) Yellow Supergiant ( …
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PublicationBinaries occur in many astrophysical systems, from young protostellar binaries in star forming regions to supermassive black hole binaries in galaxy centers. In many cases, a circumbinary disk …
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PublicationTo date, only a handful of binary star systems are known with at least one confirmed planet orbiting each star. Such systems, however, offer a unique perspective on …
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PublicationObservations of massive star-forming regions show that classical stellar wind models over-predict the luminosity of the X-ray emitting gas, indicating a significant fraction of wind …
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PublicationInferring stellar parameters and chemical abundances by forward modeling stellar spectra usually requires a spectral synthesis code, or an emulator constructed from a curated training set. In these …
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PublicationStar formation occurs within dusty molecular clouds that are then disrupted by stellar feedback. However, the timing and physical mechanisms that govern the transition from deeply embedded to …
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PublicationWe investigate the physics of quasi-parallel trans-relativistic shocks propagating in weakly magnetized plasmas by means of long-duration two-dimensional particle-in-cell simulations. The structure …
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PublicationKinematic and spectroscopic studies in the past few years have revealed coherent azimuthal metallicity variations across the Milky Way's disk that may be the result of dynamical …
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PublicationSpatially resolved multi-wavelength analysis is essential to study galaxy formation and evolution. A UV-bright galaxy COS-2987030247 at z=6.81 is one of the Rosetta …
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PublicationIn addition to a \(\gamma\)-ray burst (GRB), the merger of two neutron stars may produce a temporarily or indefinitely stable neutron star remnant with a strong magnetic …
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PublicationObservations by JWST have confirmed the presence of supermassive black holes (BHs) at redshifts \(z\gtrsim10\), lending support to scenarios in which BHs experience rapid growth through intense …
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PublicationMercury's core mass fraction (CMF) is ~0.7, more than double that of the other rocky planets in the solar system, which have CMFs of ~0.3 …
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PublicationRecent multi-wavelength observations by JWST and ALMA are unveiling both ionized and neutral ISM components in high-redshift (z>6) galaxies. In this work, we investigate the …
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Tracking the Assembly of Supermassive Black Holes: A Comparison of Diverse Models across Cosmic Time
PublicationGalaxies grow alongside their central supermassive black holes (SMBHs), linked through fueling and feedback. However, the origins and details of this co-evolution remain unclear and differ significantly … -
PublicationWe present the first localized detections of the cold neutral medium (CNM) in IC10, offering a rare view of dense atomic gas in a low-metallicity (0.27 …
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PublicationStarspots trace stellar magnetic activity and influence both stellar evolution and exoplanet characterization. While occultation-based spot analyses have been applied to individual systems, comparative studies remain limited …
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PublicationData-driven stellar classification has a long and important history in astronomy, dating as far back as Annie Jump Cannon's "by eye" classifications of stars into spectral …
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PublicationEP241217a is an X-ray transient detected by the Einstein Probe (EP) lasting for about 100 seconds and without accompanying \(γ\)-ray detection. The optical spectroscopy reveals the …
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PublicationThe connection between galaxies and their host dark matter (DM) halos is critical to our understanding of cosmology, galaxy formation, and DM physics. To maximize the return of …
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PublicationThe collapse of rotating massive (~\(10 M_\odot\)) stars resulting in hyperaccreting black holes (BHs; "collapsars") is a leading model for the central engines of long-duration gamma …
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PublicationThe formation of the Universe's first luminous stellar structures depends on the unique conditions at "Cosmic Dawn," which are set by the underlying cosmological model and early …
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PublicationAnalyses of IFU data are typically performed on a per-spaxel basis, with each spectrum modelled independently. For low signal-to-noise (S/N) features such as weak …
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PublicationFrom the luminous quasars at \(z \sim 6\) to the recent \(z \sim 9-11\) AGNs revealed by JWST, observations of the earliest black hole (BH) populations can …
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PublicationEpisodic mass accretion is the dominant mechanism for mass assembly in the proto-stellar phase. Although prior optical time-domain searches have allowed detailed studies of individual outbursts …
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PublicationIn this study, we investigate the impact of covariance within uncertainties on the inference of cosmological and astrophysical parameters, specifically focusing on galaxy stellar mass functions derived from …
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PublicationThe Open Cluster Chemical Abundances and Mapping (OCCAM) survey seeks to curate a large, comprehensive, uniform dataset of open clusters and member stars to constrain key Galactic parameters …
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PublicationThe Sloan Digital Sky Survey-V (SDSS-V) is pioneering panoptic spectroscopy: it is the first all-sky, multi-epoch, optical-to-infrared spectroscopic survey. SDSS-V is …
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PublicationWhen a massive star reaches the end of its lifetime, its core collapses and releases neutrinos that drive a shock into the outer layers (stellar envelope). A sufficiently …
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PublicationThe high electron temperature in galaxy clusters (\(>1\,\)keV or \(>10^7\,\)K) leads to corrections at the level of a few percent in their thermal Sunyaev-Zeldovich …
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PublicationPeriodic variability in active galactic nuclei (AGN) light curves has been proposed as a signature of close supermassive black hole (SMBH) binaries. Recently, 181 candidate SMBH binaries were …
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PublicationSmall-scale discrepancies in the standard Lambda cold dark matter paradigm have motivated the exploration of alternative dark matter (DM) models, such as warm dark matter (WDM). We …
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PublicationIn dense environments, mechanisms like ram pressure stripping (RPS) and gravitational interactions can induce similar morphological features in galaxies, distinguishable only through detailed study of their stellar properties …
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Publication… the traditional tandem mass tag (TMT) data-dependent acquisition (DDA) TPCA workflow. This work provides insights into denaturation-based assays, highlights the value of insoluble fractions, and …
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PublicationIn natural environments, animals must detect behaviorally relevant odors despite variability in both odor mixture composition and stimulus intensity. Although mice can identify salient odors embedded in complex …
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PublicationI review recent advances in nonequilibrium thermodynamics of biochemical networks, organized around two central questions. First, why is free energy dissipation essential for enabling or enhancing biological function …