大连理工大学数学科学学院
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On Kosniowski conjecture

2018年05月25日 13:44  点击:[]

      

报告题目:On Kosniowski conjecture

报告时间:2018531日(星期四)14:00-15:00

报告地点:创新园大厦A1101报告厅

报告人:吕志 教授(复旦大学数学科学学院

报告校内联系人:雷逢春 教授 联系电话:84706472

报告摘要Let M be a unitary closed manifold that admits an action of a circle preserving the unitary structure and fixing some isolated points. Kosniowski conjectured in 1980 that if M is not a boundary, then the number of isolated points is at least [dim M/4]+1. This talk will discuss different statements of Kosniowski conjecture and state some recent progresses. 

报告人简介:吕志博士,复旦大学数学科学学院教授,博士生导师。主要研究方向为环面流形和代数拓扑。

 

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