Planar Graphs whose Second Largest Eigenvalue Smaller than(√5-1)/2  

作　　者：Zihao GENG Jiming GUO 

机构地区：[1]Department of Mathematics,East China University of Science and Technology,Shanghai 200237,P.R.China

出　　处：《Journal of Mathematical Research with Applications》2024年第1期1-6,共6页数学研究及应用（英文版）

基　　金：Supported by the National Natural Science Foundation of China(Grant No.12171154)。

摘　　要：A graph G is said to be planar if G can be drawn on the plane in such a way that its edges intersect only at their endpoints.In this paper,all the planar graphs without isolated vertices whose second largest eigenvalue smaller than(√5-1)/2 are characterized.

关 键 词：planar graph the second largest eigenvalue complete product 

分 类 号：O157.5[理学—数学]