本刊英文版2021年64卷第9期(1937–2158)摘要

摘要

Relative volume comparison of Ricci flow Gang Tian&Zhenlei Zhang Abstract In this paper we derive a relative volume comparison of Ricci flow under a certain local curvature condition.It is a refinement of Perelman’s no local collapsing theorem in Perelman(2002).Keywords Ricci flow,relative volume comparison,local entropy MSC(2020)53E20.