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Polynomial recursion formula for linear Hodge integrals
Published Web Location
https://arxiv.org/pdf/0908.2267.pdfNo data is associated with this publication.
Abstract
We establish a polynomial recursion formula for linear Hodge integrals. It is obtained as the Laplace transform of the cut-and-join equation for the simple Hurwitz numbers. We show that the recursion recovers the Witten-Kontsevich theorem when restricted to the top degree terms, and also the combinatorial factor of the lambda_g formula as the lowest degree terms.