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The pro-isomorphic zeta function of a finitely generated nilpotent group is a Dirichlet generating series that enumerates all finite-index subgroups whose profinite completion is isomorphic to that of the ambient group. We study the…

Group Theory · Mathematics 2023-06-19 Mark N. Berman , Benjamin Klopsch , Uri Onn

Let $G$ be a finitely generate nilpotent class-2 torsion-free group. We study how the zeta function enumerating normal subgroups of G varies on residue classes. In particular, we show that for small such $G$ of Hirsch length less than or…

Group Theory · Mathematics 2020-10-23 Seungjai Lee

We compute the local pro-isomorphic zeta functions at all but finitely many primes for a certain family of class-two-nilpotent Lie lattices of even rank, parametrized by irreducible non-linear polynomials $f(x) \in \mathbb{Z} [x]$, that…

Group Theory · Mathematics 2023-11-06 Yifat Moadim-Lesimcha , Michael M. Schein

We prove that the subgroup zeta function and the normal zeta function of a finitely generated virtually nilpotent group are finite sums of Euler products of cone integrals over $\mathbb{Q}$ and we deduce from this that they have rational…

Group Theory · Mathematics 2021-05-03 Diego Sulca

The pro-isomorphic zeta function of a torsion-free finitely generated nilpotent group G enumerates finite index subgroups H such that H and G have isomorphic profinite completions. It admits an Euler product decomposition, indexed by the…

Group Theory · Mathematics 2014-08-29 Mark N. Berman , Benjamin Klopsch

We calculate explicitly the normal zeta function of the free class two nilpotent group on four generators. This has Hirsch length ten.

Group Theory · Mathematics 2007-05-23 Pirita Maria Paajanen

It is shown that Weng's zeta functions associated with arbitrary semisimple algebraic groups defined over the rational number field and their maximal parabolic subgroups satisfy the functional equations.

Number Theory · Mathematics 2010-11-23 Yasushi Komori

Using analytic torsion associated to stable bundles, we introduce zeta functions for compact Riemann surfaces. To justify the well-definedness, we analyze the degenerations of analytic torsions at the boundaries of the moduli spaces, the…

Algebraic Geometry · Mathematics 2012-09-21 Lin Weng

Let $\mathbf{G}$ be a unipotent group scheme defined in terms of a nilpotent Lie lattice over the ring $\mathcal{O}$ of integers of a number field. We consider bivariate zeta functions of groups of the form $\mathbf{G}(\mathcal{O})$…

Group Theory · Mathematics 2018-07-17 Paula Macedo Lins de Araujo

We introduce a local zeta-function for an irreducible admissible supercuspidal representation $\pi$ of the metaplectic double cover of $\SL_2$ over a non-archimedean local field of characteristic zero. We prove a functional equation of the…

Number Theory · Mathematics 2023-05-29 Kazuki Oshita , Masao Tsuzuki

We define geometric zeta functions for locally symmetric spaces as generalizations of the zeta functions of Ruelle and Selberg. As a special value at zero we obtain the Reidemeister torsion of the manifold. For hermitian spaces these zeta…

Differential Geometry · Mathematics 2016-09-06 Anton Deitmar

Inspired by work surrounding Igusa's local zeta function, we introduce topological representation zeta functions of unipotent algebraic groups over number fields. These group-theoretic invariants capture common features of established…

Group Theory · Mathematics 2015-03-09 Tobias Rossmann

The local zeta functions (also called Igusa's zeta functions) over p-adic fields are connected with the number of solutions of congruences and exponential sums mod p^{m}. These zeta functions are defined as integrals over open and compact…

Algebraic Geometry · Mathematics 2009-03-16 W. A. Zuniga-Galindo

Let $N$ be a finitely generated nilpotent group. The subgroup zeta function $\zeta_N^{\leq}(s)$ and the normal zeta function $\zeta_N^\lhd(s)$ of $N$ are Dirichlet series enumerating the finite index subgroups or the finite index normal…

Group Theory · Mathematics 2022-10-13 Diego Sulca

We give a dynamical description, in terms of a Weil-type zeta function, to the holomorphic torsion with coefficients for certain compact Hermitian locally symmetric manifolds, whose connected group G of isometries of the universal cover has…

Representation Theory · Mathematics 2021-04-06 Henri Moscovici , Robert J. Stanton , Jan Frahm

In this note we introduce zeta functions and L-functions for discrete and faithful representations of surface groups in PSL(d, R), for d >= 3. These are natural generalizations of the wellknown classical Selberg zeta function and L-function…

Dynamical Systems · Mathematics 2024-01-09 Mark Pollicott , Richard Sharp

This is the first of two papers in which we introduce and study two bivariate zeta functions associated to unipotent group schemes over rings of integers of number fields. One of these zeta functions encodes the numbers of isomorphism…

Group Theory · Mathematics 2020-07-22 Paula Macedo Lins de Araujo

In this paper, we define edge zeta functions for spherical buildings associated with finite general linear groups. We derive elegant formulas for these zeta functions and reveal patterns of eigenvalues of these buildings, by introducing and…

Combinatorics · Mathematics 2025-10-15 Jianhao Shen

We introduce and study multivariate zeta functions enumerating subrepresentations of integral quiver representations. For nilpotent such representations defined over number fields, we exhibit a homogeneity condition that we prove to be…

Rings and Algebras · Mathematics 2021-10-13 Seungjai Lee , Christopher Voll

This paper generalizes Bass' work on zeta functions for uniform tree lattices. Using the theory of von Neumann algebras, machinery is developed to define the zeta function of a discrete group of automorphisms of a bounded degree tree. The…

Group Theory · Mathematics 2007-05-23 Bryan Clair , Shahriar Mokhtari-Sharghi