English
Related papers

Related papers: Generating weighted Hurwitz numbers

200 papers

We give an algorithm to compute weighted Ehrhart functions of lattice polytopes for polynomial weights using Lagrange interpolation. We show how to compute generating functions of polynomials using those of unit cubes and Eulerian numbers,…

Combinatorics · Mathematics 2026-01-06 Enrique Reyes , Carlos E. Valencia , Rafael H. Villarreal

A generalization of Hurwitz stable polynomials to real rational functions is considered. We establishe an analogue of the Hurwitz stability criterion for rational functions and introduce a new type of determinants that can be treated as a…

Classical Analysis and ODEs · Mathematics 2025-07-01 Yury S. Barkovsky , Mikhail Tyaglov

The two most commonly used hypergeometric functions are the confluent hypergeometric function and the Gauss hypergeometric function. We review the available techniques for accurate, fast, and reliable computation of these two hypergeometric…

Numerical Analysis · Mathematics 2015-08-31 John W. Pearson , Sheehan Olver , Mason A. Porter

A topological procedure for computing correlation functions for any (1,q) model is presented. Our procedure can be used to compute any correlation function on the sphere as well as some correlation functions at higher genus. We derive new…

High Energy Physics - Theory · Physics 2009-10-22 David Montano , Gil Rivlis

We derive generalized generating functions for basic hypergeometric orthogonal polynomials by applying connection relations with one free parameter to them. In particular, we generalize generating functions for the Askey-Wilson, continuous…

Classical Analysis and ODEs · Mathematics 2018-06-01 Howard S. Cohl , Roberto S. Costas-Santos , Philbert R. Hwang , Tanay Wakhare

In this article we consider certain types of weighted generalized functions associated with nondegenerate quadratic forms. Such functions and their derivatives are used for constructing fundamental solutions of iterated ultra-hyperbolic…

Classical Analysis and ODEs · Mathematics 2016-12-26 E. L. Shishkina

We present the multi-matrix models that are the generating functions for branched covers of the complex projective line ramified over $n$ fixed points $z_i$, $i=1,\dots,n$, (generalized Grotendieck's dessins d'enfants) of fixed genus,…

High Energy Physics - Theory · Physics 2015-06-22 Jan Ambjorn , Leonid Chekhov

Hurwitz theory provides a large variety of enumerative problems related to algebraic geometry, mathematical physics, and combinatorics. We give a general framework to approach the large genus asymptotics of Hurwitz theory using only…

Algebraic Geometry · Mathematics 2026-04-15 Davide Accadia , Danilo Lewański , Giulio Ruzza

In this letter,we present our conjecture on the connection between the Kontsevich--Witten and the Hurwitz tau-functions. The conjectural formula connects these two tau-functions by means of the $GL(\infty)$ group element. An important…

High Energy Physics - Theory · Physics 2013-09-03 A. Alexandrov

This study introduces $(\alpha,a)$-parameterized Hurwitz-Lerch type poly-Bernoulli and poly-Cauchy numbers and polynomials, extending classical sequences through the Hurwitz-Lerch zeta function. We derive generating functions, recurrences,…

Combinatorics · Mathematics 2025-08-12 Noel B. Lacpao , Roberto B. Corcino

We derive an algorithm to produce explicit formulas for certain generating functions of double Hurwitz numbers. These formulas generalize a formula of Goulden, Jackson and Vakil for one part double Hurwitz numbers. Immediate consequences…

Combinatorics · Mathematics 2010-08-20 Paul Johnson

We first survey the known results on functional equations for the double zeta-function of Euler type and its various generalizations. Then we prove two new functional equations for double series of Euler-Hurwitz-Barnes type with complex…

Number Theory · Mathematics 2014-03-11 YoungJu Choie , Kohji Matsumoto

We are building a theory of simple Hurwitz numbers for the reflection groups B and D parallel to the classical theory for the symmetric group. We also study analogs of the cut-and-join operators. An algebraic description of Hurwitz numbers…

Combinatorics · Mathematics 2023-03-20 Raphaël Fesler

We develop a new method for representing Hilbert series based on the highest weight Dynkin labels of their underlying symmetry groups. The method draws on plethystic functions and character generating functions along with Weyl integration.…

High Energy Physics - Theory · Physics 2015-06-22 Amihay Hanany , Rudolph Kalveks

For an arbitrary solution to the KdV hierarchy, the generating series of logarithmic derivatives of the tau-function of the solution can be expressed by the basic matrix resolvent via algebraic manipulations. Based on this we develop in…

Mathematical Physics · Physics 2021-02-24 Boris Dubrovin , Di Yang , Don Zagier

This paper sketches a technique for improving the rate of convergence of a general oscillatory sequence, and then applies this series acceleration algorithm to the polylogarithm and the Hurwitz zeta function. As such, it may be taken as an…

Classical Analysis and ODEs · Mathematics 2008-02-08 Linas Vepstas

Spin Hurwitz numbers are related to characters of the Sergeev group, which are the expansion coefficients of the Q Schur functions, depending on odd times and on a subset of all Young diagrams. These characters involve two dual subsets: the…

High Energy Physics - Theory · Physics 2021-02-02 A. Mironov , A. Morozov , S. Natanzon

In this paper, we provide an alternative method to calculate the values of generalized multiple Hurwitz zeta function at non-positive integers by means of \emph{Raabe}'s formula and the \textit{Bernoulli} numbers.

Number Theory · Mathematics 2019-02-20 Sadaoui Boualem

There is now a renewed interest to the Hurwitz tau-function, counting the isomorphism classes of Belyi pairs, arising in the study of equilateral triangulations and Grothiendicks's dessins d'enfant. It is distinguished by belonging to a…

High Energy Physics - Theory · Physics 2014-11-25 A. Alexandrov , A. Mironov , A. Morozov , S. Natanzon

Hurwitz numbers count branched covers of the Riemann sphere with specified ramification, or equivalently, transitive permutation factorizations in the symmetric group with specified cycle types. Monotone Hurwitz numbers count a restricted…

Combinatorics · Mathematics 2012-10-15 I. P. Goulden , Mathieu Guay-Paquet , Jonathan Novak