Let G be a finite connected graph on two or more vertices, and the distance-k graph of the N-fold Cartesian power of G. For a fixed k ≥ 1, we obtain explicitly the large N limit of the spectral distribution (the eigenvalue distribution of the adjacency matrix) of . The limit distribution is described in terms of the Hermite polynomials. The proof is based on asymptotic combinatorics along with quantum probability theory.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm132-1-4, author = {Yuji Hibino and Hun Hee Lee and Nobuaki Obata}, title = {Asymptotic spectral distributions of distance-k graphs of Cartesian product graphs}, journal = {Colloquium Mathematicae}, volume = {131}, year = {2013}, pages = {35-51}, zbl = {1275.05034}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm132-1-4} }
Yuji Hibino; Hun Hee Lee; Nobuaki Obata. Asymptotic spectral distributions of distance-k graphs of Cartesian product graphs. Colloquium Mathematicae, Tome 131 (2013) pp. 35-51. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm132-1-4/