题目: Translation Lengths of Parabolic Isometries of CAT(0) Spaces and Their Applications

报告人：Dr Yunhui Wu, （丘成桐数学科学中心）

地点：致远楼102室

时间：4月5日 16:00-17:00

Abstract: In this talk we will give a sufficient and necessary condition on parabolic isometries of positive translation lengths on complete visibility CAT(0) spaces. One consequence is that each parabolic isometry of a complete simply connected visibility manifold of nonpositive sectional curvature has zero translation length. Applications on the geometry of open negatively curved manifolds will also be discussed.

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