06-01吴文俊数学重点实验室组合图论系列讲座之133【张晓东】

发布者:系统管理员发布时间:2019-05-27浏览次数:171

题目:Some spectral Turan-Type results of graphs
报告人:张晓东  教授(上海交通大学)

时间:2019年6月1日(周六)上午 10:00-11:00
地点:管理科研楼1318

摘要:In 1941, Turan proved the famous Turan theorem, i.e., If G is a graph which does not contain Kr+1 as its subgraph, then the edge number of G is no more than the Turan graph Tn,r,which started the extremal theory of graphs. In this talk, we will introduce the spectral Turan-Type results which are associated with the adjacency matrix, signless Laplacian matrix. Moreover, some open problems in this field are proposed.