3 papers
math.CO2019
The stable index of 0-1 matrices
Zhibing Chen, Zejun Huang, Jingru Yan
We introduce the concept of stable index for 0-1 matrices. Let be a 0-1 square matrix. If is a 0-1 matrix for every positive integer , then the stable index of is…
math.CO2018
A family of graphs that are determined by their normalized Laplacian spectra
Abraham Berman, Dong-Mei Chen, Zhi-Bing Chen +2
Let be the generalized friendship graph on vertices obtained by joining a vertex to all vertices of disjoint copies of the complete graph $…
math.CO2017
Spectral radius of uniform hypergraphs and degree sequences
Dongmei Chen, Zhibing Chen, Xiao-Dong Zhang
In this paper, we present several upper bounds for the adjacency and signless Laplacian spectral radii of uniform hypergraphs in terms of degree sequences.