The Essential Range of a Random Walk Driven by an Inhomogeneous Markov Chain
发布时间：2026年09月03日
浏览次数：3
发布者: Xiaoni Tan
主讲人： Omri Sarig (Weizmann Institute of Science, Israel)
活动时间： 从 2026-09-08 22:00 到 23:00
场地： Online
Abstract:
It is well known that the range of a cocycle taking values inside a group can sometimes be decreased by subtracting a coboundary and a constant.
It is interesting to know if there is an optimal coboundary which brings the range to the "minimum" possible. I will discuss this problem in the context of random walks on R, driven by inhomogeneous Markov chains. Joint work with Dima Dolgopyat.
Meeting ID: 832 0847 3832
Passcode: Ergodic
