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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…

代数几何 · 数学 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…

代数几何 · 数学 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…

代数几何 · 数学 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…

代数几何 · 数学 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.

代数几何 · 数学 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…

代数几何 · 数学 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…

代数几何 · 数学 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…

代数几何 · 数学 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.…

组合数学 · 数学 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…

代数拓扑 · 数学 2017-02-23 Manuel Gonzalez Villa , Anatoly Libgober , Laurentiu Maxim

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

动力系统 · 数学 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…

代数几何 · 数学 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.…

代数几何 · 数学 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.

代数几何 · 数学 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…

代数几何 · 数学 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…

数学物理 · 物理学 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 $X$…

代数几何 · 数学 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…

代数几何 · 数学 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.

代数几何 · 数学 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…

代数几何 · 数学 2009-08-31 J. J. Moyano-Fernandez , W. A. Zuniga-Galindo
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