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Geometric Analysis Seminar

Tangent Flows of Kähler Metric Flows

Maximilien Hallgren - Rutgers University

Date & time: Tuesday, 24 January 2023 at 2:50PM - 3:50PM

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 will also see 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.