报告题目：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.