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Article

On framed simple purely real Hurwitz numbers

Izvestiya. Mathematics. 2021. Vol. 85. P. 1-30.

We present a study of real Hurwitz numbers enumerating a special kind of real meromorphic functions, which we call simple framed purely real functions. We deduce partial differential equations of cutand-join type for generating functions for these numbers. We also construct a topological field theory for them.