11-24【陈小杨】腾讯会议 Geometry&Topology Seminar系列讲座之037

发布者:王欣发布时间:2022-11-22浏览次数:39

告题目:Rational ellipticity of Riemannian manifolds

报告人:陈小杨教授(同济大学)

时间:2022年11月24日 14:00~15:00

地点:腾讯会议号:512 908 289,无需密码

报告摘要:

It was conjectured by Bott-Grove-Halperin that a compact simply connected Riemannian manifold with nonnegative sectional curvature is rationally elliptic, i.e., it has finite dimensional rational homotopy groups. We will discuss some recent progress on this conjecture.