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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

We give a proof the monodromy conjecture relating the poles of motivic zeta functions with roots of b-functions for isolated quasihomogeneous hypersurfaces, and more generally for semi-quasihomogeneous hypersurfaces. We also give a strange…

Algebraic Geometry · Mathematics 2023-09-26 Guillem Blanco , Nero Budur , Robin van der Veer

The aim of this paper is to study the stable birational type of $Hilb^n_X$, the Hilbert scheme of degree $n$ points on a surface $X$. More precisely, it addresses the question for which pairs of positive integers $(n,n')$ the variety…

Algebraic Geometry · Mathematics 2024-10-02 Morena Porzio

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

We develop algorithms to compute two versions of the motivic Hilbert zeta function for curve singularities: the classical version, applicable to singularities with a monomial valuation semigroup or to singular curves defined by…

Algebraic Geometry · Mathematics 2026-01-28 Yizi Chen , Hussein Mourtada , Wenhao Zhu

Let K be a field of characteristic 0 and A be a rigid tensor K-linear category. Let M be a finite-dimensional object of A in the sense of Kimura-O'Sullivan. We prove that the "motivic" zeta function of M with coefficients in K\_0(A) has a…

Algebraic Geometry · Mathematics 2010-09-13 Bruno Kahn

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

For any polynomial f with complex coefficients we find a remarkable subset of poles of the motivic zeta function. It is combinatorially determined by any log resolution and it admits an intrinsic interpretation in terms of contact loci of…

Algebraic Geometry · Mathematics 2026-02-17 Nero Budur , Eduardo de Lorenzo Poza , Quan Shi , Huaiqing Zuo

Inspired by the work of Soma and Watari, we define a tree structure on certain subsemimodules of the semigroup $\Gamma$ associated with an irreducible plane curve singularity $(C,O)$. Building on results of Oblomkov, Rasmussen, and Shende,…

Algebraic Geometry · Mathematics 2026-01-16 Mounir Hajli , Hussein Mourtada , Wenhao Zhu

We prove a closed formula for the generating function $\mathsf Z_d(t)$ of the motives $[\mathrm{Hilb}^d(\mathbb A^n)_0] \in K_0(\mathrm{Var}_{\mathbb C})$ of punctual Hilbert schemes, summing over $n$, for fixed $d>0$. The result is an…

Algebraic Geometry · Mathematics 2026-03-24 Michele Graffeo , Sergej Monavari , Riccardo Moschetti , Andrea T. Ricolfi

We prove the local motivic monodromy conjecture for singularities that are nondegenerate with respect to a simplicial Newton polyhedron. It follows that all poles of the local topological zeta functions of such singularities correspond to…

Algebraic Geometry · Mathematics 2026-02-19 Matt Larson , Sam Payne , Alan Stapledon

This paper delves into the study of curvilinear Hilbert schemes associated with a singular variety $(X,0)$ and the relationship between their motivic classes and the motivic measure on the arc scheme $X_\infty$ of $X$ introduced by Denef…

Algebraic Geometry · Mathematics 2024-05-31 Ilaria Rossinelli

We determine the class of the Hilbert scheme of points on a surface in the Grothendieck group of varieties. As a corollary we obtain its class in the Grothendieck group of motives. We give some applications to moduli spaces of sheaves on…

Algebraic Geometry · Mathematics 2007-05-23 Lothar Goettsche

This is a survey on motivic zeta functions associated to abelian varieties and Calabi-Yau varieties over a discretely valued field. We explain how they are related to Denef and Loeser's motivic zeta function associated to a complex…

Algebraic Geometry · Mathematics 2012-09-28 Lars Halvard Halle , Johannes Nicaise

We prove for abelian varieties a global form of Denef and Loeser's motivic monodromy conjecture, in arbitrary characteristic. More precisely, we prove that for every tamely ramified abelian variety $A$ over a complete discretely valued…

Algebraic Geometry · Mathematics 2009-10-16 Lars Halvard Halle , Johannes Nicaise

We develop a power structure over the Grothendieck ring of varieties relative to an abelian monoid, which allows us to compute the motivic class of the generalized Kummer scheme. We obtain a generalized version of Cheah's formula for the…

Algebraic Geometry · Mathematics 2015-05-13 Andrew Morrison , Junliang Shen

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

For each central essential hyperplane arrangement $\mathcal{A}$ over an algebraically closed field, let $Z_\mathcal{A}^{\hat\mu}(T)$ denote the Denef-Loeser motivic zeta function of $\mathcal{A}$. We prove a formula expressing…

Algebraic Geometry · Mathematics 2018-10-30 Max Kutler , Jeremy Usatine

We use a formula of Bultot to compute the motivic zeta function for the toric degeneration of the quartic K3 and its Gross-Siebert mirror dual degeneration. We check for this explicit example that the identification of the logarithm of the…

Algebraic Geometry · Mathematics 2015-05-14 Johannes Nicaise , D. Peter Overholser , Helge Ruddat

We prove a formula expressing the motivic integral (\cite{ls}) of a K3 surface over $\bC((t))$ with semi-stable reduction in terms of the associated limit Hodge structure. Secondly, for every smooth variety over a non-archimedean field we…

Algebraic Geometry · Mathematics 2012-07-19 Allen J. Stewart , Vadim Vologodsky
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