2 papers
math.PR2026
Universal Beta Incidence Angles: Cauchy Rigidity and Infinite Arrangements
Tianle Liu
Let be Haar-uniform on , let be arbitrary nonzero vectors, and let be simplex weights. Define \[ g(U)=\sum_{j=1}^k w_j\frac{a…
math.PR2026
Kac's Walk on Rotation Matrices Mixes in Steps: A Proof Discovered with AI
Tianle Liu
Let . We prove that the coordinate-plane Kac walk on has total-variation mixing time of order : for every fixed $0<\varepsilon<1…