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We show that the motivic zeta functions of smooth, geometrically connected curves with no rational points are rational functions. This was previously known only for curves whose smooth projective models have a rational point on each…

Algebraic Geometry · Mathematics 2014-05-30 Daniel Litt

Combining the idea of motivic zeta function, due to Kapranov, and Pellikaan's definition of a two- variable zeta function for curves over finite fields in the present note we introduce a motivic two- variable zeta function for curves over…

Algebraic Geometry · Mathematics 2007-05-23 F. Baldassarri , C. Deninger , N. Naumann

The motivic Hilbert zeta function of a variety is the generating function for classes in the Grothendieck ring of varieties of Hilbert schemes of points of the variety. In this paper, the motivic Hilbert zeta function of a reduced curve is…

Algebraic Geometry · Mathematics 2020-05-06 Dori Bejleri , Dhruv Ranganathan , Ravi Vakil

We prove 2-out-of-3 property for rationality of motivic zeta function in distinguished triangles in Voevodsky's category DM. As an application, we show rationality of motivic zeta functions for all varieties whose motives are in the thick…

Algebraic Geometry · Mathematics 2007-05-23 Vladimir Guletskii

We study the motivic Grothendieck group of algebraic varieties from the point of view of stable birational geometry. In particular, we obtain a counter-example to a conjecture of M. Kapranov on the rationality of motivic zeta-function.

Algebraic Geometry · Mathematics 2007-05-23 Michael Larsen , Valery A. Lunts

We give an explicit formula for the motivic zeta function in terms of a log smooth model. It generalizes the classical formulas for snc-models, but it gives rise to much fewer candidate poles, in general. As an illustration, we explain how…

Algebraic Geometry · Mathematics 2019-02-13 Emmanuel Bultot , Johannes Nicaise

We present a general and effective algebraic framework for enumerating finite-length quotients of a torsion-free sheaf of arbitrary rank (the Quot zeta function) and finite-length coherent sheaves (the Coh zeta function) over reduced…

Algebraic Geometry · Mathematics 2025-11-11 Yifeng Huang , Ruofan Jiang

In this short note we establish some properties of all those motivic measures which can be exponentiated. As a first application, we show that the rationality of Kapranov's zeta function is stable under products. As a second application, we…

Algebraic Geometry · Mathematics 2014-12-05 Niranjan Ramachandran , Goncalo Tabuada

We introduce motivic zeta functions for matroids. These zeta functions are defined as sums over the lattice points of Bergman fans, and in the realizable case, they coincide with the motivic Igusa zeta functions of hyperplane arrangements.…

Combinatorics · Mathematics 2020-10-07 David Jensen , Max Kutler , Jeremy Usatine

We associate with an infinite cyclic cover of a punctured neighborhood of a simple normal crossing divisor on a complex quasi-projective manifold (assuming certain finiteness conditions are satisfied) a rational function in $K_0({\rm…

Algebraic Topology · Mathematics 2017-02-23 Manuel Gonzalez Villa , Anatoly Libgober , Laurentiu Maxim

We will prove that the zeta function for Ruelle-expanding maps is rational.

Dynamical Systems · Mathematics 2010-12-27 Mário Alexandre Magalhães

For a divisor representing a function and another divisor representing a differential form on a normal surface singularity, there is a notion of motivic and topological zeta function. In this paper, given a finite morphism between two…

Algebraic Geometry · Mathematics 2026-05-19 Edwin León-Cardenal , Jorge Martín-Morales , Willem Veys , Juan Viu-Sos

In the present paper, we show that the motivic Hilbert zeta function for a curve singularity yields the generating functions for Euler numbers of punctual Hilbert schemes when any punctual Hilbert scheme admits an affine cell decomposition.…

Algebraic Geometry · Mathematics 2024-03-20 Masahiro Watari

Given a smooth variety $X$ and a regular function $f$ on it, by considering the dlt modification, we define the dlt motivic zeta function $Z^{\rm dlt}_{\rm mot}(s)$ which does not depend on the choice of the dlt modification.

Algebraic Geometry · Mathematics 2023-06-28 Chenyang Xu

Let $\mathfrak{Var}_k^G$ denote the category of pairs $(X,\sigma)$, where $X$ is a variety over $k$ and $\sigma$ is a group action on $X$. We define the Grothendieck ring for varieties with group actions as the free abelian group of…

Algebraic Geometry · Mathematics 2011-03-14 Justin Mazur

We construct spectral zeta functions for the Dirac operator on metric graphs. We start with the case of a rose graph, a graph with a single vertex where every edge is a loop. The technique is then developed to cover any finite graph with…

Mathematical Physics · Physics 2016-10-13 J. M. Harrison , T. Weyand , K. Kirsten

The motivic zeta function of a smooth and proper $\mathbb{C}((t))$-variety $X$ with trivial canonical bundle is a rational function with coefficients in an appropriate Grothendieck ring of complex varieties, which measures how $X$…

Algebraic Geometry · Mathematics 2024-02-01 Luigi Lunardon , Johannes Nicaise

In this article, we compute the motivic Igusa zeta function of a space monomial curve that appears as the special fiber of an equisingular family whose generic fiber is a complex plane branch. To this end, we determine the irreducible…

Algebraic Geometry · Mathematics 2020-11-18 Hussein Mourtada , Willem Veys , Lena Vos

It is shown that the auto Igusa zeta function of the germ of a plane curve singularity is rational. This gives a new criterion for a plane curve over an algebraically closed field of characteristic zero to be smooth at a point.

Algebraic Geometry · Mathematics 2023-09-27 Andrew R. Stout

Let X be a complete, geometrically irreducible, singular, algebraic curve defined over a field of characteristic p big enough. Given a local ring O_{P,X} at a rational singular point P of X, we attached a universal zeta function which is a…

Algebraic Geometry · Mathematics 2009-08-31 J. J. Moyano-Fernandez , W. A. Zuniga-Galindo
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