English

On the spectral gap and the diameter of Cayley graphs

Combinatorics 2020-04-22 v1 Number Theory

Abstract

We obtain a new bound connecting the first non--trivial eigenvalue of the Laplace operator of a graph and the diameter of the graph, which is effective for graphs with small diameter or for graphs, having the number of maximal paths comparable to the expectation.

Keywords

Cite

@article{arxiv.2004.10038,
  title  = {On the spectral gap and the diameter of Cayley graphs},
  author = {Ilya D. Shkredov},
  journal= {arXiv preprint arXiv:2004.10038},
  year   = {2020}
}

Comments

22 pages