English

Eigenspaces of symmetric graphs are not typically irreducible

Spectral Theory 2018-02-14 v2 Mathematical Physics math.MP

Abstract

We construct rich families of Schr\"odinger operators on symmetric graphs, both quantum and combinatorial, whose spectral degeneracies are persistently larger than the maximal dimension of an irreducible representations of the symmetry group.

Keywords

Cite

@article{arxiv.1705.01653,
  title  = {Eigenspaces of symmetric graphs are not typically irreducible},
  author = {Gregory Berkolaiko and Wen Liu},
  journal= {arXiv preprint arXiv:1705.01653},
  year   = {2018}
}

Comments

10 pages, 7 figures