Goulden, I.P.; Guay-Paquet, M.; Novak, J.
(Symmetry, Integrability and Geometry: Methods and Applications, 2016)
This article introduces mixed double Hurwitz numbers, which interpolate combinatorially between the classical double Hurwitz numbers studied by Okounkov and the monotone double Hurwitz numbers introduced recently by Goulden, ...