%0 Journal Article %T Combinatorial Identities from the Spectral Theory of Quantum Graphs %A Holger Schanz %A Uzy Smilansky %J Physics %D 2000 %I arXiv %X We present a few combinatorial identities which were encountered in our work on the spectral theory of quantum graphs. They establish a new connection between the theory of random matrix ensembles and combinatorics. %U http://arxiv.org/abs/math-ph/0003037v1