Matrix eigenvalue model: Feynman graph technique for all genera
Chekhov, Leonid · Eynard, Bertrand
Original · EN
We present the diagrammatic technique for calculating the free energy of the matrix eigenvalue model (the model with arbitrary power β by the Vandermonde determinant) to all orders of 1/N expansion in the case where the limiting eigenvalue distribution spans arbitrary (but fixed) number of disjoint intervals (curves).
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