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UID:20250807T052120EDT-7689zx5bCi@132.216.98.100
DTSTAMP:20250807T092120Z
DESCRIPTION:Title: Matrix model for Quantum Weighted Hurwitz numbers.\n\nAb
 stract: Pure Hurwirz numbers count inequivalent branched coverings of a Ri
 emann surface with given ramification profile. Weighted Hurwitz numbers ar
 e certain weighted sums of pure Hurwitz numbers with weights determined by
  a generating function. In earlier works by J.Harnad et al weighted Hurwit
 z numbers were related to hypergeometric tau functions of KP or 2D Toda hi
 erarchies. Such tau functions are defined by the same generating function.
  Recently M. Bertola and J. Harnad considered the case of rational generat
 ing functions and managed to show that hypergeometric tau function in this
  case coincides with the partition function of certain matrix model. Quant
 um weighted Hurwitz numbers are the particular case of weighted hurwitz nu
 mbers with generating function given by q-Pochammer symbol. In my talk I s
 hall explain how the approach of Bertola and Harnad can be generalized to 
 this case.\n
DTSTART:20190923T193000Z
DTEND:20190923T203000Z
LOCATION:Room 4336\, CA\, Pav. André-Aisenstadt\, 2920\, ch. de la Tour
SUMMARY:Boris Runov\, Concordia University and CRM
URL:/mathstat/channels/event/boris-runov-concordia-uni
 versity-and-crm-300842
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