English

A counterexample to a conjecture of Wang and Hou on signed graphs

Combinatorics 2018-09-25 v1

Abstract

We give a counterexample to a conjecture of Wang and Hou related with the sum of the kk largest Laplacian eigenvalues of signed graphs.

Keywords

Cite

@article{arxiv.1809.08594,
  title  = {A counterexample to a conjecture of Wang and Hou on signed graphs},
  author = {Asghar Bahmani},
  journal= {arXiv preprint arXiv:1809.08594},
  year   = {2018}
}

Comments

3 pages, 2 figures