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A portrait photo of Chirag Modi.
A portrait photo of Chirag Modi.
Past

Research Staff

Chirag Modi, Ph.D.

Flatiron Research Fellow, Centers for Computational Astrophysics and Computational Mathematics

Bio

Chirag Modi joined the Flatiron Institute as a Flatiron Research Fellow in October, 2020. He is a member of the Cosmology group at the Center for Computational Astrophysics and also works with the Center for Computational Mathematics.

Publications

Sampling From Multiscale Densities With Delayed Rejection Generalized Hamiltonian Monte Carlo

Proceedings of The 28th International Conference on Artificial Intelligence and Statistics, arxiv:2406.02741, 2025

Gilad Turok, Chirag Modi, and Bob Carpenter

Delayed rejection Hamiltonian Monte Carlo for sampling multiscale distributions

Bayesian Analysis, arxiv:2110.00610, 2024

Chirag Modi, Alex Barnett, and Bob Carpenter

Galaxy clustering analysis with SimBIG and the wavelet scattering transform

Physical Review D, arxiv:2310.15250, 2024

Bruno Régaldo-Saint Blancard, ChangHoon Hahn, Shirley Ho, Jiamin Hou, Pablo Lemos, Elena Massara, et al.

Differentiable stochastic halo occupation distribution

Monthly Notices of the Royal Astronomical Society, arxiv:2211.03852, April 2024

Benjamin Horowitz, ChangHoon Hahn, Francois Lanusse, and Chirag Modi

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