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No two Jellyfish graphs are L-cospectral and Q-cospectral

Combinatorics 2019-08-29 v2
Authors: A. Z. Abdian , A. R. Ashrafi
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Abstract

In this paper, it is proved that the jellyfish graphs, a natural generalization of sun graphs, are both DLS and DQS.

Keywords

jellyfish graph cospectral graphs Laplacian spectrum signless Laplacian spectrum DLS DQS

Cite

@article{arxiv.1908.07909,
  title  = {No two Jellyfish graphs are L-cospectral and Q-cospectral},
  author = {A. Z. Abdian and A. R. Ashrafi},
  journal= {arXiv preprint arXiv:1908.07909},
  year   = {2019}
}

Comments

10 pages. arXiv admin note: text overlap with arXiv:1903.11121

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