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We construct local bihamiltonian structures from classical $W$-algebras associated to non-regular nilpotent elements of regular semisimple type in Lie algebras of type $A_2$ and $A_3$. They form exact Poisson pencil, admit a dispersionless…

Differential Geometry · Mathematics 2023-03-29 Yassir Dinar

We construct a two-level weighted TQFT whose structure coefficents are equivariant intersection numbers on moduli spaces of admissible covers. Such a structure is parallel (and strictly related) to the local Gromov-Witten theory of curves…

Algebraic Geometry · Mathematics 2007-05-23 Renzo Cavalieri

Frobenius manifold structures on the spaces of abelian integrals were constructed by I. Krichever. We use D-modules, deformation theory, and homological algebra to give a coordinate-free description of these structures. It turns out that…

Differential Geometry · Mathematics 2010-12-30 Roman M. Fedorov

A universal system of difference equations associated with a hyperelliptic curve is derived constituting the discrete analogue of the Dubrovin equations arising in the theory of finite-gap integration. The parametrisation of the solutions…

solv-int · Physics 2015-06-26 F. W. Nijhoff

The isomonodromic tau-function for the Hurwitz spaces of branched coverings of genus zero and one are constructed explicitly. Such spaces may be equipped with the structure of a Frobenius manifold and this introduces a flat coordinate…

Mathematical Physics · Physics 2020-12-16 A. Kokotov , I. A. B. Strachan

In this paper we attempt a self-contained approach to infinite dimensional Hamiltonian systems appearing from holomorphic curve counting in Gromov-Witten theory. It consists of two parts. The first one is basically a survey of Dubrovin's…

Symplectic Geometry · Mathematics 2010-09-24 Paolo Rossi

We extend results by Mirzakhani in [Mir07] to moduli spaces of Hurwitz covers. In particular we obtain equations relating Weil-Petersson volumes of moduli spaces of Hurwitz covers, Hurwitz numbers and certain Hurwitz cycles on…

Symplectic Geometry · Mathematics 2017-11-21 Sven Prüfer

We introduce a class of potential submanifolds in pseudo-Euclidean spaces (each N-dimensional potential submanifold is a special flat torsionless submanifold in a 2N-dimensional pseudo-Euclidean space) and prove that each N-dimensional…

Differential Geometry · Mathematics 2010-01-04 O. I. Mokhov

Correlators in topological theories are given by the values of a linear form on the products of operators from a commutative associative algebra (CAA). As a corollary, partition functions of topological theory always satisfy the generalized…

High Energy Physics - Theory · Physics 2015-05-30 A. Mironov , A. Morozov , S. Natanzon

For a closed K\"{a}hler manifold with a Hamiltonian action of a connected compact Lie group by holomorphic isometries, we construct a formal Frobenius manifold structure on the equivariant cohomology by exploiting a natural DGBV algebra…

Differential Geometry · Mathematics 2007-05-23 Huai-Dong Cao , Jian Zhou

The goal of this paper is to introduce the notion of $G$-Frobenius manifolds for any finite group $G$. This work is motivated by the fact that any $G$-Frobenius algebra yields an ordinary Frobenius algebra by taking its $G$-invariants. We…

Algebraic Geometry · Mathematics 2015-01-12 Byeongho Lee

We consider the Dubrovin--Frobenius manifold of rank $2$ whose genus expansion at a special point controls the enumeration of a higher genera generalization of the Catalan numbers, or, equivalently, the enumeration of maps on surfaces,…

Mathematical Physics · Physics 2021-06-01 G. Carlet , J. van de Leur , H. Posthuma , S. Shadrin

We propose a general theory of the Open Gromov-Witten invariant on Calabi-Yau three-folds. We introduce the moduli space of multi-curves and show how it leads to invariants. Our construction is based on an idea of Witten. In the special…

Symplectic Geometry · Mathematics 2011-03-02 Vito Iacovino

The Witten-Dijkgraaf-Verlinde-Verlinde (WDVV) equations have a rich structure related to the theory of Frobenius manifolds, with many known families of solutions. A Legendre transformation is a symmetry of the WDVV equations, introduced by…

Mathematical Physics · Physics 2024-10-31 Misha Feigin , Leo Kaminski , Ian A. B. Strachan

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

The Haydys-Witten equations are partial differential equations on five-dimensional Riemannian manifolds that are equipped with a non-vanishing vector field $v$. Conjecturally, their solutions determine the Floer differential in a…

Differential Geometry · Mathematics 2023-07-28 Michael Bleher

We study the validity of an extension of Frobenius theorem on integral manifolds for some classes of Pfaff-type systems of partial differential equations involving multidimensional "rough" signals, i.e. "differentials" of given H\"older…

Analysis of PDEs · Mathematics 2021-12-13 Eugene Stepanov , Dario Trevisan

We study the possibility of constructing a Frobenius manifold for the standard Landau-Ginzburg model of odd-dimensional quadrics $Q_{2n+1}$ and matching it with the Frobenius manifold attached to the quantum cohomology of these quadrics.…

Algebraic Geometry · Mathematics 2013-08-09 Vassily Gorbounov , Maxim Smirnov

We expand Topological Field Theory on some special CW-complexes (brane complexes). This Brane Topological Field Theory one-to-one corresponds to infinite dimensional Frobenius Algebras, graduated by CW-complexes of lesser dimension. We…

Geometric Topology · Mathematics 2009-07-18 Sergey M. Natanzon

We present a complete proof that solutions of the WDVV equations in Seiberg-Witten theory may be constructed from root systems. A generalization to weight systems is proposed.

High Energy Physics - Theory · Physics 2015-06-26 Rodolfo Martini , Peter K. H. Gragert
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