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In this paper we introduce some new methods to understand the analytic behaviour of the zeta function of a group. We can then combine this knowledge with suitable Tauberian theorems to deduce results about the growth of subgroups in a…

Group Theory · Mathematics 2007-05-23 Marcus du Sautoy , Fritz Grunewald

For each field k, we define an abelian category of rationally decomposed mixed motives with integer coefficients. When k is finite, we show that the category is Tannakian, and we prove formulas relating the behaviour of zeta functions near…

Number Theory · Mathematics 2015-06-29 James S. Milne , Niranjan Ramachandran

We consider the representation growth of split extensions of $SL_2^m(O)$. We prove that the corresponding representation zeta functions factor as a product of the representation zeta function of $SL_2^m(O)$ and the relative representation…

Group Theory · Mathematics 2026-02-16 J. Moritz Petschick , Margherita Piccolo

Generalizations of classical theta functions are proposed that include any even number of analytic parameters for which conditions of quasi-periodicity are fulfilled and that are representations of extended Heisenberg group. Differential…

Mathematical Physics · Physics 2017-07-13 Yuriy Smilyanets

We define generalised zeta functions associated to indefinite quadratic forms of signature (g-1,1) -- and more generally, to complex symmetric matrices whose imaginary part has signature (g-1,1) -- and we investigate their properties. These…

Number Theory · Mathematics 2021-02-09 Gene S. Kopp

In this paper, we introduce (local and) global non-abelian zeta functions for general curves. As an example, we compute the so-called rank two zeta functions for genus two curves by studying non-abelian Brill-Noether loci and their…

Algebraic Geometry · Mathematics 2007-05-23 Lin WENG

In this manuscript, we give effective methods for computing the zeta function of maximal orders on surfaces.

Number Theory · Mathematics 2025-07-22 Daniel Chan , Sean B. Lynch

We categorify the Hecke L-functions of $\mathrm{GL}(1)$ by replacing the L-functions with "modules of zeta integrals". These modules of zeta integrals are generated by the classical L-function. This approach allows us to categorify…

Number Theory · Mathematics 2020-12-08 Gal Dor

Using the cohomology theory of Dwork, as developed by Adolphson and Sperber, we exhibit a deterministic algorithm to compute the zeta function of a nondegenerate hypersurface defined over a finite field. This algorithm is particularly…

Algebraic Geometry · Mathematics 2019-02-20 Steven Sperber , John Voight

In this short survey we give a description of the theta functions of algebraic curves, half-integer theta-nulls, and the fundamental theta functions. We describe how to determine such fundamental theta functions and describe the components…

Complex Variables · Mathematics 2019-05-30 L. Beshaj , A. Elezi , T. Shaska

The algorithm of computing generalized Green functions of a finite reductive group contains some unkonwn scalars occuring from the F_q structure of irreducible local systems on unipotent classes on G. In this paper, we determine such…

Representation Theory · Mathematics 2007-05-23 Toshiaki Shoji

We consider pro-isomorphic zeta functions of the groups $\Gamma(\mathcal{O}_K)$, where $\Gamma$ is a unipotent group scheme defined over $\mathbb{Z}$ and $K$ varies over all number fields. Under certain conditions, we show that these…

Group Theory · Mathematics 2022-09-16 Mark N. Berman , Itay Glazer , Michael M. Schein

We use a constructive method to obtain all but finitely many p-local representation zeta functions of a family Mn of finitely generated nilpotent groups with maximal nilpotency class. For representation dimensions coprime to all primes p <…

Group Theory · Mathematics 2014-07-11 Shannon Ezzat

Multivariate renormalisation techniques are implemented in order to build, study and then renormalise at the poles, branched zeta functions associated with trees. For this purpose, we first prove algebraic results and develop analytic…

Mathematical Physics · Physics 2020-07-27 Pierre Clavier , Li Guo , Sylvie Paycha , Bin Zhang

False theta functions form a family of functions with intriguing modular properties and connections to mock modular forms. In this paper, we take the first step towards investigating modular transformations of higher rank false theta…

Number Theory · Mathematics 2021-08-27 Kathrin Bringmann , Jonas Kaszian , Antun Milas , Caner Nazaroglu

The Dedekind zeta function of a quadratic number field factors as a product of the Riemann zeta function and the $L$-function of a quadratic Dirichlet character. We categorify this formula using objective linear algebra in the abstract…

Number Theory · Mathematics 2022-05-16 Jon Aycock , Andrew Kobin

The local topological zeta function is a rational function associated to a germ of a complex holomorphic function. This function can be computed from an embedded resolution of singularities of the germ. For nondegenerate functions it is…

Algebraic Geometry · Mathematics 2008-05-14 Ann Lemahieu , Lise Van Proeyen

Langlands provides a formula for certain product of orbital integrals in $GL(2, \mathbb{Q})$. Its generalization has become an important question for the strategy of Beyond Endoscopy. Arthur predicts this formula should coincide with a…

Number Theory · Mathematics 2024-02-14 Malors Espinosa

In this paper we study spectral zeta functions associated to finite and infinite graphs. First we establish a meromorphic continuation of these functions under some general conditions. Then we study special values in the case of standard…

Spectral Theory · Mathematics 2019-09-05 Jérémy Dubout

We introduce new zeta functions related to an endomorphism $\phi$ of a discrete group $\Gamma$. They are of two types: counting numbers of fixed ($\rho\sim \rho\circ\phi^n$) irreducible representations for iterations of $\phi$ from an…

Group Theory · Mathematics 2018-04-11 Alexander Fel'shtyn , Evgenij Troitsky , Malwina Ziętek