2 papers
stat.ML2026
Stein's method for marginals on large graphical models
Tiangang Cui, Shuigen Liu, Xin T. Tong
Many spatial models exhibit locality structures that effectively reduce their intrinsic dimensionality, enabling efficient approximation and sampling of high-dimensional distributi…
math.PR2025
Optimal Riemannian metric for Poincaré inequalities and how to ideally precondition Langevin dynamics
Tiangang Cui, Xin Tong, Olivier Zahm
Poincaré inequality is a fundamental property that rises naturally in different branches of mathematics. The associated Poincaré constant plays a central role in many application…