Comb graphs and spectral decimation

Jonathan Jordan
Glasgow Mathematical Journal, Vol. 51, pp71-81.

Abstract: We investigate the spectral properties of matrices associated with comb graphs. We show that the adjacency matrices and adjacency matrix Laplacians of the sequences of graphs show a spectral similarity relationship in the sense of Malozemov and Teplyaev, and hence that these sequences graphs show a spectral decimation property similar to that of the Laplacians of the Sierpiński gasket graph and other fractal graphs.

AMS 2000 subject classification: Primary 47A10, secondary 05C99, 28A80.

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Last updated 1 August 2014.