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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

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

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

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

This paper delves into the study of Hilbert schemes of unibranch plane curves whose points have a fixed number of minimal generators. Building on the work of Oblomkov, Rasmussen and Shende we provide a formula for their motivic classes and…

Algebraic Geometry · Mathematics 2025-07-25 Ilaria Rossinelli

We present a new method for computing the zeta function of an algebraic curve over a finite field. The algorithm relies on a trace formula of Harvey to count points on a plane model of the curve. The zeta function of the curve is then…

Number Theory · Mathematics 2022-03-07 Madeleine Kyng

In this paper we describe a generalisation and adaptation of Kedlaya's algorithm for computing the zeta function of a hyperelliptic curve over a finite field of odd characteristic that the author used for the implementation of the algorithm…

Number Theory · Mathematics 2011-05-31 Michael C. Harrison

For a finite subgroup $\Gamma\subset \mathrm{SL}(2,\mathbb{C})$ and $n\geq 1$, we construct the (reduced scheme underlying the) Hilbert scheme of $n$ points on the Kleinian singularity $\mathbb{C}^2/\Gamma$ as a Nakajima quiver variety for…

Algebraic Geometry · Mathematics 2021-03-31 Alastair Craw , Søren Gammelgaard , Ádám Gyenge , Balázs Szendrői

Pfister and Steenbrink studied punctual Hilbert schemes for irreducible curve singularities. In particular, they investigated the structure of special punctual Hilbert schemes for certain monomial curve singularities. In this paper, we…

Algebraic Geometry · Mathematics 2013-10-11 Yoshiki Sōma , Masahiro Watari

In general, algorithms for computing the Selmer group of the Jacobian of a curve have relied on either homogeneous spaces or functions on the curve. We present a theoretical analysis of algorithms which use functions on the curve, and show…

Number Theory · Mathematics 2015-07-31 Edward F. Schaefer

In this paper we find an algorithm which computes the Hilbert function of schemes $Z$ of "fat points" in $\PP3$ whose support lies on a rational normal cubic curve $C$. The algorithm shows that the maximality of the Hilbert function in…

alg-geom · Mathematics 2008-02-03 M. V. Catalisano , A. Gimigliano

We present new algorithms for computing zeta functions of algebraic varieties over finite fields. In particular, let X be an arithmetic scheme (scheme of finite type over Z), and for a prime p let zeta_{X_p}(s) be the local factor of its…

Number Theory · Mathematics 2015-09-04 David Harvey

We give a method of counting the number of curves with a given type of singularity in a suitably ample linear series on a smooth surface using punctual Hilbert schemes. The types of singulaties for which our methods suffice include the…

Algebraic Geometry · Mathematics 2007-05-23 Heather Russell

Let $K$ be a discretely-valued field. Let $X\rightarrow Spec K$ be a surface with trivial canonical bundle. In this paper we construct a weak N\'eron model of the schemes $Hilb^n(X)$ over the ring of integers $R\subseteq K$. We exploit this…

Algebraic Geometry · Mathematics 2020-12-15 Luigi Pagano

We introduce a new algorithm to compute the zeta function of a curve over a finite field. This method extends previous work of ours to all curves for which a good lift to characteristic zero is known. We develop all the necessary bounds,…

Number Theory · Mathematics 2016-09-22 Jan Tuitman

We exhibit a quantum algorithm for determining the zeta function of a genus g curve over a finite field F_q, which is polynomial in g and log(q). This amounts to giving an algorithm to produce provably random elements of the class group of…

Number Theory · Mathematics 2007-05-23 Kiran S. Kedlaya

This article concerns the computational complexity of a fundamental problem in number theory: counting points on curves and surfaces over finite fields. There is no subexponential-time algorithm known and it is unclear if it can be…

Computational Complexity · Computer Science 2025-11-05 Diptajit Roy , Nitin Saxena , Madhavan Venkatesh

We introduce a new algorithm to compute the zeta function of a curve over a finite field. This method extends Kedlaya's algorithm to a very general class of curves using a map to the projective line. We develop all the necessary bounds,…

Number Theory · Mathematics 2014-09-11 Jan Tuitman

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

We define a divisorial motivic zeta function for stable curves with marked points which agrees with Kapranov's motivic zeta function when the curve is smooth and unmarked. We show that this zeta function is rational, and give a formula in…

Algebraic Geometry · Mathematics 2019-07-12 Madeline Brandt , Martin Ulirsch
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