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math.CO2021
Graphs with three distinct distance eigenvalues
Yuke Zhang, Huiqiu Lin
In this paper, some special distance spectral properties of graphs are considered. Concretely, we recursively construct an infinite family of trees with distance eigenvalue , a…
math.CO2021
Perfect matching and distance spectral radius in graphs and bipartite graphs
Yuke Zhang, Huiqiu Lin
A perfect matching in a graph is a set of nonadjacent edges covering every vertex of . Motivated by recent progress on the relations between the eigenvalues and the matching…