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This paper concerns the intersection numbers of tautological classes on moduli spaces of parabolic bundles on a smooth projective curve. We show that such intersection numbers are completely determined by wall-crossing formulas, Hecke…

Algebraic Geometry · Mathematics 2025-03-13 Miguel Moreira

Due to the orbifold singularities, the intersection numbers on the moduli space of curves $\bar{\sM}_{g,n}$ are in general rational numbers rather than integers. We study the properties of the denominators of these intersection numbers and…

Algebraic Geometry · Mathematics 2011-03-22 Kefeng Liu , Hao Xu

A generalization of the Kontsevich Airy-model allows one to compute the intersection numbers of the moduli space of p-spin curves. These models are deduced from averages of characteristic polynomials over Gaussian ensembles of random…

High Energy Physics - Theory · Physics 2009-05-01 E. Brezin , S. Hikami

Using the connection between intersection theory on the Deligne-Mumford spaces and the edge scaling of the GUE matrix model (see math.CO/9903176, math.AG/0101147), we express the n-point functions for the intersection numbers as…

Algebraic Geometry · Mathematics 2007-05-23 Andrei Okounkov

We explain how to compute top-dimensional intersections of psi-classes on moduli spaces of m-stable curves. On the moduli spaces of Deligne-Mumford stable pointed curves of genus one, these intersection numbers are determined by two…

Algebraic Geometry · Mathematics 2018-08-29 David Ishii Smyth

We show that intersection numbers on the moduli space of stable bundles of coprime rank and degree over a smooth complex curve can be recovered as highest-degree asymptotics in formulas of Vafa-Intriligator type. In particular, we…

Algebraic Geometry · Mathematics 2007-05-23 Alina Marian , Dragos Oprea

We investigate the geometry and topology of a standard moduli space of stable bundles on a Riemann surface, and use a generalization of the Verlinde formula to derive results on intersection pairings.

dg-ga · Mathematics 2009-10-28 Rafael Herrera , Simon M. Salamon

We present a series of new results we obtained recently about the intersection numbers of tautological classes on moduli spaces of curves, including a simple formula of the n-point functions for Witten's $\tau$ classes, an effective…

Algebraic Geometry · Mathematics 2011-03-31 Kefeng Liu , Hao Xu

This is a note on calculating intersection numbers on moduli spaces of curves. A codimension 3 relation among tautological classes on the moduli space of genus 4 curves is given.

Algebraic Geometry · Mathematics 2010-03-03 Stephanie Yang

We present a new proof of Witten's conjecture. The proof is based on the analysis of the relationship between intersection indices on moduli spaces of complex curves and Hurwitz numbers enumerating ramified coverings of the 2-sphere.

Algebraic Geometry · Mathematics 2015-06-26 M. E. Kazarian , S. K. Lando

Kontsevich's work on Airy matrix integrals has led to explicit results for the intersection numbers of the moduli space of curves. In this article we show that a duality between k-point functions on $N\times N$ matrices and N-point…

High Energy Physics - Theory · Physics 2008-11-26 E. Brezin , S. Hikami

In this paper we study relations between intersection numbers on moduli spaces of curves and Hurwitz numbers. First, we prove two formulas expressing Hurwitz numbers of (generalized) polynomials via intersections on moduli spaces of curves.…

Algebraic Geometry · Mathematics 2010-10-04 Sergei Shadrin

We define higher quantum Airy structures as generalizations of the Kontsevich-Soibelman quantum Airy structures by allowing differential operators of arbitrary order (instead of only quadratic). We construct many classes of examples of…

Mathematical Physics · Physics 2024-04-10 Gaëtan Borot , Vincent Bouchard , Nitin K. Chidambaram , Thomas Creutzig , Dmitry Noshchenko

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

We define the dimension 2g-1 Faber-Hurwitz Chow/homology classes on the moduli space of curves, parametrizing curves expressible as branched covers of P^1 with given ramification over infinity and sufficiently many fixed ramification points…

Algebraic Geometry · Mathematics 2007-05-23 Ian P. Goulden , David M. Jackson , Ravi Vakil

We establish an arithmetic intersection theory in the framework of Arakelov geometry over adelic curves. To each projective scheme over an adelic curve, we associate a multi-homogenous form on the group of adelic Cartier divisors, which can…

Algebraic Geometry · Mathematics 2022-07-05 Huayi Chen , Atsushi Moriwaki

We give a new proof of Faber's intersection number conjecture concerning the top intersections in the tautological ring of the moduli space of curves $\M_g$. The proof is based on a very straightforward geometric and combinatorial…

Algebraic Geometry · Mathematics 2024-06-26 A. Buryak , S. Shadrin

We identify certain Gromov-Witten invariants counting rational curves with given incidence and tangency conditions with the Betti numbers of moduli spaces of point configurations in projective spaces. On the Gromov-Witten side, S. Fomin and…

Algebraic Geometry · Mathematics 2018-03-22 Markus Reineke , Thorsten Weist

Given two varieties V,W in the n-fold product of modular curves, we answer affirmatively a question (formulated by Shou-Wu Zhang's AIM group) on whether the set of points in V that are Hecke translations of some point on W is dense in V. We…

Algebraic Geometry · Mathematics 2023-05-12 Asvin G

In this paper we study effective recursion formulae for computing intersection numbers of mixed $\psi$ and $\kappa$ classes on moduli spaces of curves. By using the celebrated Witten-Kontsevich theorem, we generalize Mulase-Safnuk form of…

Algebraic Geometry · Mathematics 2013-03-28 Kefeng Liu , Hao Xu
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