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Regular version of the site

Article

Cut-and-join equation for monotone Hurwitz numbers revisited

Journal of Geometry and Physics. 2019. Vol. 137. P. 1-6.
Dunin-Barkowski P., Kramer R., Popolitov A., Shadrin S.

We give a new proof of the cut-and-join equation for the monotone Hurwitz numbers, derived first by Goulden, Guay-Paquet, and Novak. The main interest in this particular equation is its close relation to the quadratic loop equation in the theory of spectral curve topological recursion, and we recall this motivation giving a new proof of the topological recursion for monotone Hurwitz numbers, obtained first by Do, Dyer, and Mathews.