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math.COAug 9, 2023
authors
  • Theo Douvropoulos
  • Joel Brewster Lewis
  • Alejandro H. Morales
institutions
  • Brandeis University
  • George Washington University
  • Université du Québec à Montréal
arXiv abstractPDF
paper

Hurwitz numbers for reflection groups III: Uniform formulas

arXiv:2308.04751 · doi:10.1112/jlms.70102

Abstract

We give uniform formulas for the number of full reflection factorizations of a parabolic quasi-Coxeter element in a Weyl group or complex reflection group, generalizing the formula for the genus-0 Hurwitz numbers. This paper is the culmination of a series of three.

arXiv comment36 pages, comments very much welcome!

References in corpus (11)

  • Hurwitz numbers and intersections on moduli spaces of curves
  • Weighted Hurwitz numbers and topological recursion: an overview
  • Generating functions for weighted Hurwitz numbers
  • Counting factorizations of Coxeter elements into products of reflections
  • Simple extensions of reflection subgroups of primitive complex reflection groups
  • b-monotone Hurwitz numbers: Virasoro constraints, BKP hierarchy, and O(N)-BGW integral
  • Counting chains in the noncrossing partition lattice via the W-Laplacian
  • On cycle decompositions in Coxeter groups
  • Hurwitz numbers for reflection groups II: Parabolic quasi-Coxeter elements
  • Factorization problems in complex reflection groups
  • Hurwitz numbers for reflection groups I: Generatingfunctionology
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