A rigidity result for ancient Ricci flows
报告人：张旗
时间：2024-09-12 14:00-15:00
地点：智华楼413
【摘要】
Using the sharp log Sobolev functional (log entropy), we prove a qualitatively sharp rigidity result for ancient Ricci flows without sign condition on the curvatures. The result is also related to the backward limit problem of type II ancient Ricci flows.
