数学系 Seminar 第2033 期
数学系“60周年”系庆系列报告
报告主题：超图的邻接或无符号拉普拉斯张量最小H-特征值的摄动
报告人：范益政 教授 （安徽大学）
报告时间：2020年10月29日（周四） 9:00
参会方式：腾讯 会议
会议ID：728 657 829
主办部门：理学院数学系
报告摘要：Let G be an even uniform connected hypergraph with cut vertices. Then G is the coalescence of two connected sub-hypergraphs both called the branches of G.. Let A(G), Q(G) be the adjacency tensor and signless Laplacian tensor of G respectively. The least H-eigenvalue of A(G) or Q(G) refers the least real eigenvalue of A(G) or Q(G) associated with real eigenvectors. We study how the least H-eigenvalue of A(G) or Q(G) perturbs when one branch is relocated from one vertex to another vertex, and generalize some results for simple graphs.
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