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A Weyl group multiple Dirichlet series is a Dirichlet series in several complex variables attached to a root system Phi. The number of variables equals the rank r of the root system, and the series satisfies a group of functional equations…

Number Theory · Mathematics 2007-05-23 Gautam Chinta , Paul E. Gunnells

Let Phi be a reduced root system of rank r. A Weyl group multiple Dirichlet series for Phi is a Dirichlet series in r complex variables s_1,...,s_r, initially converging for Re(s_i) sufficiently large, which has meromorphic continuation to…

Number Theory · Mathematics 2007-05-23 Gautam Chinta , Solomon Friedberg , Paul E. Gunnells

Let Phi be a reduced root system of rank r. A Weyl group multiple Dirichlet series for Phi is a Dirichlet series in r complex variables s_1,...,s_r, initially converging for Re(s_i) sufficiently large, that has meromorphic continuation to…

Number Theory · Mathematics 2009-05-14 Gautam Chinta , Paul E. Gunnells

We develop the theory of Weyl group multiple Dirichlet series for root systems of type C. For an arbitrary root system of rank r and a positive integer n, these are Dirichlet series in r complex variables with analytic continuation and…

Number Theory · Mathematics 2010-06-23 Jennifer Beineke , Ben Brubaker , Sharon Frechette

Weyl group multiple Dirichlet series are Dirichlet series in $r$ complex variables, with analytic continuation to $\mathbb{C}^r$ and a group of functional equations isomorphic to the Weyl group of a reduced root system of rank $r$. Such…

Number Theory · Mathematics 2018-11-05 Holley Friedlander

We define a multiple Dirichlet series whose group of functional equations is the Weyl group of the affine Kac-Moody root system $\tilde{A}_n$, generalizing the theory of multiple Dirichlet series for finite Weyl groups. The construction is…

Number Theory · Mathematics 2019-02-20 Ian Whitehead

Let $W$ be the Weyl group of a simply-laced affine Kac-Moody Lie group, excepting $\tilde{A}_n$ for $n$ even. We construct a multiple Dirichlet series $Z(x_1, \ldots x_{n+1})$, meromorphic in a half-space, satisfying a group $W$ of…

Number Theory · Mathematics 2014-06-04 Ian Whitehead

A multiple Dirichlet series in two variables is constructed as a Mellin transform of a higher order Eisenstein series. It is shown to extend to a meromorphic function and satisfy two independent functional equations.

Number Theory · Mathematics 2017-09-04 Anton Deitmar , Nikolaos Diamantis

Weyl group multiple Dirichlet series and metaplectic Whittaker functions can be described in terms of crystal graphs. We present crystals as parameterized by Littelmann patterns and we give a survey of purely combinatorial constructions of…

Combinatorics · Mathematics 2018-10-16 Anna Puskás

In this paper and its sequel \cite{DPP}, we investigate the precise relationship between the quadratic affine Weyl group multiple Dirichlet series in the sense of \cite{CG1, BD}, and those defined axiomatically by Whitehead \cite{White2}…

Number Theory · Mathematics 2023-07-28 Adrian Diaconu , Vicenţiu Paşol , Alexandru A. Popa

In this article we study analytic properties of the multiple Dirichlet series associated to additive and Dirichlet characters. For the multiple Dirichlet series associated to additive characters, the meromorphic continuation is established…

Number Theory · Mathematics 2017-05-16 Biswajyoti Saha

We prove functional equations for multiple Dirichlet series defined by a collection of five geometric axioms. We find functional equations of two types: one modeled on the functional equations of Dirichlet $L$-functions, and another modeled…

Number Theory · Mathematics 2026-02-13 Will Sawin , Ian Whitehead

This paper develops an analytic theory of Dirichlet series in several complex variables which possess sufficiently many functional equations. In the first two sections it is shown how straightforward conjectures about the meromorphic…

Number Theory · Mathematics 2007-05-23 Adrian Diaconu , Dorian Goldfeld , Jeffrey Hoffstein

This paper is concerned with the Weyl composition of symbols in large dimension. We specify a class of symbols in order to estimate the Weyl symbol of the product of two Weyl $h-$pseudodifferential operators, with constants independent of…

Analysis of PDEs · Mathematics 2013-07-19 Laurent Amour , Jean Nourrigat

We define a multiple Dirichlet series associated with quadrics which is the zero locus of a quadratic form. This multiple Dirichlet series is linked to a Shintani zeta function associated with a prehomogeneous vector space. To obtain the…

Number Theory · Mathematics 2024-01-12 Jun Wen

In this article, we obtain the analytic continuation of the multiple shifted Lucas zeta function, multiple Lucas $L$-function associated to Dirichlet characters and additive characters. We then compute a complete list of exact singularities…

Number Theory · Mathematics 2020-04-02 Nabin Kumar Meher , Sudhansu Sekhar Rout

It is known that characters of irreducible representations of finite Lie algebras can be obtained using theWeyl character formula including Weyl group summations which make actual calculations almost impossible except for a few Lie algebras…

Mathematical Physics · Physics 2008-11-26 M. Gungormez , H. R. Karadayi

We give explicit formulas for the residue of the Chinta-Gunnells average attached to a finite irreducible root system, at the polar divisor corresponding to a simple short root. The formula describes the residue in terms of the average…

Number Theory · Mathematics 2023-07-13 Adrian Diaconu , Bogdan Ion , Vicenţiu Paşol , Alexandru A. Popa

We give an axiomatic characterization of multiple Dirichlet series over the function field $\mathbb F_q(T)$, generalizing a set of axioms given by Diaconu and Pasol. The key axiom, relating the coefficients at prime powers to sums of the…

Number Theory · Mathematics 2024-04-15 Will Sawin

Let B be a reductive Lie subalgebra of a semi-simple Lie algebra of the same rank both over the complex numbers. To each finite dimensional irreducible representation $V_\lambda$ of F we assign a multiplet of irreducible representations of…

Representation Theory · Mathematics 2009-10-31 B. Gross , B. Kostant , P. Ramond , S. Sternberg
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