Eigenvalue Statistics of One-Face Maps

Details Eigenvalue Statistics of One-Face Maps Eigenvalue Statistics of One-Face Maps

2009-08-20

arxiv.org/abs/0908.3018v1

Mathematics

Spectral Theory

13 pages, 10 figures

Scientific paper

We examine the adjacency matrices of three-regular graphs representing one-face maps. Numerical studies reveal that the limiting eigenvalue statistics of these matrices are the same as those of much larger, and more widely studied classes from Random Matrix Theory. We present an algorithm for generating matrices corresponding to maps of genus zero, and find the eigenvalue statistics in the genus zero case differ strikingly from those of higher genus. These results lead us to conjecture that the eigenvalue statistics depend on the rigidity of the underlying map, and the distribution of scaled eigenvalue spacings shifts from that of the Gaussian Orthogonal Ensemble to the exponential distribution as the map size increases relative to the genus.

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