A square root of Hurwitz numbers
classification
🧮 math.AG
math.SG
keywords
hurwitznumbersfunctionhierarchyrootsquaretwo-componentanalogous
read the original abstract
We exhibit a generating function of spin Hurwitz numbers analogous to (disconnected) double Hurwitz numbers that is a tau function of the two-component BKP (2-BKP) hierarchy and is a square root of a tau function of the two-component KP (2-KP) hierarchy defined by related Hurwitz numbers.
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