报告题目：Symmetries of flat manifolds

报告时间：2017年3月30日（星期四）13:00—14:00

报告地点：苏州大学本部精正楼二楼学术报告厅

报告人：叶圣奎（西交利物浦大学）

报告提要：In this talk, we give a sufficient and necessary condition for a finite group to be able to act effectively on a flat manifold.

 

报告题目：A general Zimmer's program for flat manifolds

报告时间：2017年3月30日（星期四）14:10—15:10

报告地点：苏州大学本部精正楼二楼学术报告厅

报告人：叶圣奎（西交利物浦大学）

报告提要：In this talk, we show that any topological action of the linear group SL(n,Z) on a flat manifold is trivial, if the dimension of the manifold is smaller than n. This confirms a conjecture on Zimmer's program.