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stat.CO2026
Two-Loop Stochastic Mirror Langevin Algorithms for Constrained Sampling
Ruiting Tong, Antik Chakraborty, Raghu Pasupathy
We study the problem of sampling from a target distribution supported on a convex set , when the potential is accessible only th…
stat.ML2026
Covariate-dependent Joint Modeling of Multivariate Ordinal Preferences and Its Connections with Comparison Models
Yujie Chen, Antik Chakraborty, Anindya Bhadra
Multivariate ordinal data along with covariates are commonly collected in problems ranging from alignment of language models with human preferences, as well as in recommender syste…
stat.ME2026
Empirical Bayes data integreation for multi-response regression
Antik Chakraborty, Fei Xue
Motivated by applications in tissue-wide association studies (TWAS), we develop a flexible and theoretically grounded empirical Bayes approach for integrating %vector-valued outcom…