中科院数学与系统科学研究院

数学研究所

中科院华罗庚数学重点实验室

华罗庚青年数学论坛

学术报告

 

报告人: 潘佳垠 博士(The Fields Institute for Research in Mathematical Sciences,Toronto
  目:Some examples of open manifolds with positive Ricci curvature
  间:2022.05.30(星期一),09:00-11:00
  点:腾讯会议:836-316-593
  要:We give some examples of open manifolds with positive Ricci curvature. These examples give negative answers to two open problems. One is about the properness of the Busemann function at some point, and the other one regards the singular set of Ricci limit spaces. This is joint work with Guofang Wei.
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报告人: 潘佳垠 博士(The Fields Institute for Research in Mathematical Sciences,Toronto
  目:Nonnegative Ricci curvature and equivariant asymptotic geometry
  间:2022.06.02(星期四),09:00-11:00
  点:腾讯会议:576-854-432
  要:We study the fundamental groups of open manifolds with nonnegative Ricci curvature through the equivariant asymptotic geometry of the universal covers. We go through some sketches of the proofs to see how this method works.

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