期刊
APPLIED MATHEMATICS AND COMPUTATION
卷 430, 期 -, 页码 -出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amc.2022.127275
关键词
Distance energy; Complete bipartite graph; Edge
资金
- Natural Science Foundation of Tianjin [20JCZDJC00840, 20JCJQJC00 090]
- Fundamental Research Funds for the Central Universities, Nankai University
This paper investigates the effect of embedding edges on the distance energy of a complete bipartite graph and compares it with a complete multipartite graph.
The distance energy of a connected graph G is defined to be E(G) = Sigma(n)(i=1) vertical bar lambda(i)(G)vertical bar, where lambda(1)(G), ..., lambda(n)(G) are distance eigenvalues of G. Recently, much research has explored the change of distance energy of a complete multipartite graph by deleting an edge. In this paper, we investigate the effect of distance energy of a complete bipartite graph by embedding some edges. An analogous result on a complete multipartite graph also holds. (C) 2022 Elsevier Inc. All rights reserved.
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