Research-Spectral rigidity of expanding circle maps (5 online talks)

Research

Dynamical Systems Seminar

Spectral rigidity of expanding circle maps (5 online talks)

Speaker: Vadim Kaloshin（Institute of Science and Technology Austria）
Time: May 27, 2025, 18:00-19:00
Location: Zoom ID: 365 418 2693，password：123456

Time:
18:00-19:00 on May 27th, 28th; June 2nd, 3rd, 4th, 2025.

Abstract
For a smooth expanding circle map f, the (unmarked) Lyapunov spectrum of f oforder n ≥ 1 is defined as the set of multipliers along periodic orbits of period n. During the class we shall discuss questions of smooth conjugacy, Livsic theorem, Shub-Sullivan trick, etc.