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Kontsevich introduced certain ribbon graphs as cell decompositions for combinatorial models of moduli spaces of complex curves with boundaries in his proof of Witten's conjecture. In this work, we define four types of generalised Kontsevich…

Combinatorics · Mathematics 2023-10-31 Raphaël Belliard , Séverin Charbonnier , Bertrand Eynard , Elba Garcia-Failde

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

The review is devoted to the integrable properties of the Generalized Kontsevich Model which is supposed to be an universal matrix model to describe the conformal field theories with $c<1$. It is shown that the deformations of the…

High Energy Physics - Theory · Physics 2007-05-23 S. Kharchev

This article treats various aspects of the geometry of the moduli of r-spin curves and its compactification. Generalized spin curves, or r-spin curves, are a natural generalization of 2-spin curves (algebraic curves with a…

Algebraic Geometry · Mathematics 2009-09-25 Tyler J. Jarvis

We perform a key step towards the proof of Zvonkine's conjectural $r$-ELSV formula that relates Hurwitz numbers with completed $(r+1)$-cycles to the geometry of the moduli spaces of the $r$-spin structures on curves: we prove the…

Combinatorics · Mathematics 2019-07-15 Reinier Kramer , Danilo Lewanski , Alexandr Popolitov , Sergey Shadrin

We propose a generalization of the Witten conjecture, which connects a descendent enumerative theory with a specific reduction of KP integrable hierarchy. Our conjecture is realized by two parts: Part I (Geometry) establishes a…

Mathematical Physics · Physics 2025-07-16 Shuai Guo , Ce Ji , Qingsheng Zhang

Generalized Kontsevich Matrix Model (GKMM) with a certain given potential is the partition function of $r$-spin intersection numbers. We represent this GKMM in terms of fermions and expand it in terms of the Schur polynomials by…

High Energy Physics - Theory · Physics 2016-01-27 Xiang-Mao Ding , Yuping Li , Lingxian Meng

Using Gromov-Witten theory the numbers of complex plane rational curves of degree d through 3d-1 general given points can be computed recursively with Kontsevich's formula that follows from the so-called WDVV equations. In this paper we…

Algebraic Geometry · Mathematics 2008-09-09 Andreas Gathmann , Hannah Markwig

We consider a Gaussian random matrix theory in the presence of an external matrix source. This matrix model, after duality (a simple version of the closed/open string duality), yields a generalized Kontsevich model through an appropriate…

High Energy Physics - Theory · Physics 2009-06-10 E. Brezin , S. Hikami

Recently we explained that the classical $Q$ Schur functions stand behind various well-known properties of the cubic Kontsevich model, and the next step is to ask what happens in this approach to the generalized Kontsevich model (GKM) with…

High Energy Physics - Theory · Physics 2021-07-01 A. Mironov , A. Morozov

We expand correlation functions of the Langmann-Szabo-Zarembo (LSZ) model in terms of intersection numbers on the moduli space of complex curves. This provides an explicit, physically motivated example for the expansion of correlation…

Mathematical Physics · Physics 2022-12-05 Finn Bjarne Kohl , Raimar Wulkenhaar

I present a short review of our results with S.Kharchev, A.Mironov, A.Morozov and A.Zabrodin on Generalized Kontsevich model which in a sense can be interpreted as unifying ``string field theory'' for $c < 1$ minimal series coupled to 2d…

High Energy Physics - Theory · Physics 2008-02-03 A. Marshakov

We study algebraic aspects of Kontsevich integrals as generating functions for intersection theory over moduli space and review the derivation of Virasoro and KdV constraints. 1. Intersection numbers 2. The Kontsevich integral 2.1. The main…

High Energy Physics - Theory · Physics 2016-09-06 C. Itzykson , J. -B. Zuber

We consider the deformations of ``monomial solutions'' to Generalized Kontsevich Model \cite{KMMMZ91a,KMMMZ91b} and establish the relation between the flows generated by these deformations with those of $N=2$ Landau-Ginzburg topological…

High Energy Physics - Theory · Physics 2011-04-20 S. Kharchev , A. Marshakov , A. Mironov , A. Morozov

Kontsevich's formula for rational plane curves is a recursive relation for the number $N_d$ of degree $d$ rational curves in $\mathbb{P}^2$ passing through $3d-1$ general points. We provide two proofs of this recursion: the first more…

Algebraic Geometry · Mathematics 2025-10-17 Greg Weiler

The theory of matrix models is reviewed from the point of view of its relation to integrable hierarchies. Determinantal formulas, relation to conformal field models and the theory of Generalized Kontsevich model are discussed in some…

High Energy Physics - Theory · Physics 2016-09-06 A. Morozov

The universal curve p:C->\Mbar over the moduli space \Mbar of stable r-spin maps to a target K\"ahler manifold X carries a universal spinor bundle L->C. Therefore the moduli space \Mbar itself carries a natural K-theory class Rp_*L. We…

Algebraic Geometry · Mathematics 2007-11-05 Alessandro Chiodo , Dimitri Zvonkine

This thesis studies matrix field theories, which are a special type of matrix models. First, the different types of applications are pointed out, from (noncommutative) quantum field theory over 2-dimensional quantum gravity up to algebraic…

Mathematical Physics · Physics 2020-05-18 Alexander Hock

We prove a recent conjecture of the fourth named author with P. Norbury that states a system of universal polynomial relations among the kappa classes on the moduli spaces of algebraic curves. The proof involves localization and…

Algebraic Geometry · Mathematics 2025-09-03 Alexander Alexandrov , Boris Bychkov , Petr Dunin-Barkowski , Maxim Kazarian , Sergey Shadrin

This article treats compactifications of the space of generalized spin curves. Generalized spin curves, or $r$-spin curves, are pairs $(X,L)$ with $X$ a smooth curve and $L$ a line bundle whose r-th tensor power is isomorphic to the…

alg-geom · Mathematics 2008-02-03 Tyler J. Jarvis
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