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We prove that the number of curves of a fixed genus g over finite fields is a polynomial function of the size of the field if and only if g is at most 8. Furthermore, we determine for each positive genus g the smallest n such that the…

Algebraic Geometry · Mathematics 2026-04-21 Samir Canning , Hannah Larson , Sam Payne , Thomas Willwacher

We give a formula to compute the dimension of the generic component of the moduli space of an irreducible germ of curve in the complex plane.

Dynamical Systems · Mathematics 2019-04-17 Yohann Genzmer

In this thesis I give a new description for the moduli space of stable n pointed curves of genus zero and explicitly specify a natural isomorphism and inverse between them that preserves many important properties. I also give a natural…

Algebraic Topology · Mathematics 2022-05-17 Daniel Singh

We compute Chow groups of moduli spaces of rank 2 vector bundles on curves with determinant of odd degree in terms of generators and relations.

Algebraic Geometry · Mathematics 2011-11-15 Evgeny Mayanskiy

We establish the Airy curve case of a conjecture of Gukov and Su{\l}kowski by reducing to Dijkgraaf-Verlinde-Verlinde Virasoro constraints satisfied by the intersection numbers on moduli spaces of algebraic curves.

Algebraic Geometry · Mathematics 2012-06-27 Jian Zhou

The moduli spaces of trigonal curves are proven to be rational when the genus is divisible by 4.

Algebraic Geometry · Mathematics 2014-06-13 Shouhei Ma

The rational Chow ring of the moduli space $\mathcal{M}_g$ of curves of genus $g$ is known for $g \leq 6$. Here, we determine the rational Chow rings of $\mathcal{M}_7, \mathcal{M}_8,$ and $\mathcal{M}_9$ by showing they are tautological.…

Algebraic Geometry · Mathematics 2023-10-23 Samir Canning , Hannah Larson

Relationships between moduli spaces of curves and sheaves on 3-folds are presented starting with the Gromov-Witten/Donaldson-Thomas correspondence proposed more than 20 years ago with D. Maulik, N. Nekrasov, and A. Okounkov. The descendent…

Algebraic Geometry · Mathematics 2025-01-28 Rahul Pandharipande

Abstract. In this article, we provide an algorithm to compute the number of moduli of a germ of curve which is an union of germs of smooth curves in the complex plane.

Algebraic Geometry · Mathematics 2021-06-28 Yohann Genzmer

This report outlines a combinatorial recipe for computing the bases, whose elements are oriented polygons, of two cohomology spaces associated to multizeta values: the top dimensional de Rham cohomology of moduli spaces of genus 0 complex…

Number Theory · Mathematics 2009-11-16 Sarah Carr

A relatively fast algorithm for evaluating Weil-Petersson volumes of moduli spaces of complex algebraic curves is proposed. On the basis of numerical data, a conjectural large genus asymptotics of the Weil-Petersson volumes is computed.…

Algebraic Geometry · Mathematics 2020-12-08 Peter Zograf

We compute the rational cohomology of the moduli space $\mathcal{M}_{4,1}$ of non-singular genus $4$ curves with $1$ marked point, using Gorinov-Vassiliev's method.

Algebraic Geometry · Mathematics 2025-03-04 Yiu Man Wong , Angelina Zheng

We present a solution to the W-constraints satisfied by the intersection numbers on the moduli spaces of r-spin curves. We make use of a grading suggested by the selection rule for the correlators determined by the geometry of the moduli…

Mathematical Physics · Physics 2013-05-31 Jian Zhou

In this paper, we study moduli spaces of 2-dimensional complex associative algebras. We give a complete calculation of the cohomology of every element in the moduli space, as well as compute their versal deformations.

This is an informal set of lecture notes on moduli spaces of curves based on a set of lectures given at the ICTP last summer. It begins at an elementary level and discusses the genus 1 case in detail. The notes then give an informal…

Algebraic Geometry · Mathematics 2007-05-23 Richard Hain

We study the intersection theory on the moduli spaces of maps of $n$-pointed curves $f:(C,s_1,... s_n)\to V$ which are stable with respect to a weight data $(a_1,..., a_n)$, $0\le a_i\le 1$. After describing the structure of these moduli…

Algebraic Geometry · Mathematics 2007-11-13 Valery Alexeev , G. Michael Guy

An introduction to moduli spaces of representations of quivers is given, and results on their global geometric properties are surveyed. In particular, the geometric approach to the problem of classification of quiver representations is…

Representation Theory · Mathematics 2008-02-18 Markus Reineke

Here we investigate some birational properties of two collections of moduli spaces, namely moduli spaces of (pointed) stable curves and of (pointed) spin curves. In particular, we focus on vanishings of Hodge numbers of type (p,0) and on…

Algebraic Geometry · Mathematics 2007-05-23 Gilberto Bini , Claudio Fontanari

Let $V$ be a smooth, projective, convex variety. We define tautological $\psi$ and $\kappa$ classes on the moduli space of stable maps $\M_{0,n}(V)$, give a (graphical) presentation for these classes in terms of boundary strata, derive…

Algebraic Geometry · Mathematics 2007-05-23 Alexandre Kabanov , Takashi Kimura

As an introduction to the concept of "moduli space" we consider the moduli space of similarity classes of acute and right triangles in the plane. This has a map to the moduli space of elliptic curves which is onto and generically…

Algebraic Geometry · Mathematics 2025-07-30 John Carlos Baez
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