Tangent Flows of Kähler Metric Flows

Seminar: 
Geometric Analysis and Application
Event time: 
Friday, April 1, 2022 - 2:00pm
Speaker: 
Max Hallgren
Speaker affiliation: 
Cornell University
Event description: 

Abstract:

In this talk, we will discuss some additional structure in the Kähler setting for Bamler’s limit spaces of noncollapsed Ricci flows. We will review various notions of singular set stratification, and then state an improved dimension estimate for odd-dimensional strata of limits of Kähler-Ricci flows. We also show that tangent flows of Kähler metric flows admit natural isometric actions, which are locally free away from the vertex in the case that the tangent flows are static.