科学研究
报告题目:

A rigidity result for ancient Ricci flows

报告人:

张旗 教授(美国加州大学河滨分校)

报告时间:

报告地点:

yl23455永利官网东北楼四楼报告厅(404)

报告摘要:

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.