Topological expansion of the 2-matrix model correlation functions: diagrammatic rules for a residue formula
Abstract
We solve the loop equations of the hermitian 2-matrix model to all orders in the topological 1/N2 expansion, i.e. we obtain all non-mixed correlation functions, in terms of residues on an algebraic curve. We give two representations of those residues as Feynman-like graphs, one of them involving only cubic vertices.
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