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On $\cal F$-convexity
发布时间: 2018-03-12     13:01   【返回上一页】 发布人:苑立平


 

北京师范大学数学科学学院

 

代数专题报告

 

 

报告题目:On $/cal F$-convexity

 

报告人:苑立平(河北师范大学数学系教授)

 

时间地点:313日下午3:00-4:00,  后主楼1124

 

邀请人:王恺顺

 

报告摘要:Let $/cal F$ be a family of  sets in $R^d$. A set $M /subset R^d$ is called $/cal F$-  convex if for any pair of distinct points $x,y/in M$ there is a set $F/in /cal F$ such that $x,y/in F$ and $F/subset M$. In this talk we'll present some properties of some $/cal F$- convex  sets