Publications

• Analysis of Langevin Monte Carlo from Poincaré to log-Sobolev. Sinho Chewi, Murat Erdogdu, Mufan Li, Ruoqi Shen, and Matthew Zhang. December 2021. [arXiv] [.bib]
• The entropic barrier is n-self-concordant. Sinho Chewi. December 2021. [arXiv] [.bib]
• Averaging on the Bures-Wasserstein manifold: dimension-free convergence of gradient descent. Jason Altschuler, Sinho Chewi, Patrik Gerber, and Austin Stromme. December 2021. [arXiv] [NeurIPS 2021 (Spotlight)] [NeurIPS 2021 (Video)] [Slides] [.bib]
• Efficient constrained sampling via the mirror-Langevin algorithm. Kwangjun Ahn and Sinho Chewi. December 2021. [arXiv] [NeurIPS 2021] [Poster] [.bib]
• Dimension-free log-Sobolev inequalities for mixture distributions. Hong-Bin Chen, Sinho Chewi, and Jonathan Niles-Weed. December 2021. [arXiv] [Journal of Functional Analysis] [Slides] [.bib]
• Gaussian discrepancy: a probabilistic relaxation of vector balancing. Sinho Chewi, Patrik Gerber, Philippe Rigollet, and Paxton Turner. September 2021. [arXiv] [.bib]
• Optimal dimension dependence of the Metropolis-adjusted Langevin algorithm. Sinho Chewi, Chen Lu, Kwangjun Ahn, Xiang Cheng, Thibaut Le Gouic, and Philippe Rigollet. August 2021. [arXiv] [COLT 2021] [Sampling Algorithms and Geometries on Probability Distributions (Video)] [Poster] [Slides] [.bib]
• The query complexity of sampling from strongly log-concave distributions in one dimension. Sinho Chewi, Patrik Gerber, Chen Lu, Thibaut Le Gouic, and Philippe Rigollet. June 2021. [arXiv] [.bib]
• Rejection sampling from shape-constrained distributions in sublinear time. Sinho Chewi, Patrik Gerber, Chen Lu, Thibaut Le Gouic, and Philippe Rigollet. May 2021. [arXiv] [.bib]
• Fast and smooth interpolation on Wasserstein space. Sinho Chewi, Julien Clancy, Thibaut Le Gouic, Philippe Rigollet, George Stepaniants, and Austin Stromme. March 2021. [arXiv] [AISTATS 2021] [.bib]
• Exponential ergodicity of mirror-Langevin diffusions. Sinho Chewi, Thibaut Le Gouic, Chen Lu, Tyler Maunu, Philippe Rigollet, and Austin Stromme. December 2020. [arXiv] [NeurIPS 2020] [Slides] [.bib]
• SVGD as a kernelized Wasserstein gradient flow of the chi-squared divergence. Sinho Chewi, Thibaut Le Gouic, Chen Lu, Tyler Maunu, and Philippe Rigollet. December 2020. [arXiv] [NeurIPS 2020] [Slides] [.bib]
• Gradient descent algorithms for Bures-Wasserstein barycenters. Sinho Chewi, Tyler Maunu, Philippe Rigollet, and Austin Stromme. July 2020. [arXiv] [COLT 2020] [COLT 2020 (Video)] [Optimal Transport: Regularization and Applications 2020 (Video)] [TGDA@OSU 2020 (Video)] [Slides] [.bib]
• Matching observations to distributions: efficient estimation via sparsified Hungarian algorithm. Sinho Chewi, Forest Yang, Avishek Ghosh, Abhay Parekh, and Kannan Ramchandran. September 2019. [arXiv] [Allerton 2019] [.bib]
• A combinatorial proof of a formula of Biane and Chapuy. Sinho Chewi and Venkat Anantharam. March 2018. [arXiv] [E-JC] [.bib]