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We present an approach to construct a class of generalized Frobenius manifold structures on the orbit spaces of affine Weyl groups, and prove that their monodromy groups are parabolic subgroups of the associated affine Weyl groups.

Differential Geometry · Mathematics 2026-01-13 Lingrui Jiang , Si-Qi Liu , Yingchao Tian , Youjin Zhang

Necessary and sufficient conditions for some deformation algebras to provide formal Frobenius structures are given. Also, examples of formal Frobenius structures with fundamental tensor that is not of the deformation type and examples of…

Differential Geometry · Mathematics 2007-05-23 Mircea Crasmareanu

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

The Drinfeld double structure underlying the Cartan series An, Bn, Cn, Dn of simple Lie algebras is discussed. This structure is determined by two disjoint solvable subalgebras matched by a pairing. For the two nilpotent positive and…

Group Theory · Mathematics 2015-06-26 A. Ballesteros , E. Celeghini , M. A. del Olmo

Starting from the Weierstrass elliptic function, we study the associated Frobenius structure, incorporating the perspective of derived categories, particularly that of homological mirror symmetry. Given a deformation of the Weierstrass…

Algebraic Geometry · Mathematics 2025-09-17 Atsuki Nakago , Yuuki Shiraishi , Atsushi Takahashi

This thesis studies Frobenius manifolds arising from extended deformations of complex structures on compact Calabi-Yau manifolds, following the construction by Sergey Barannikov and Maxim Kontsevich. The work is based on the investigation…

Algebraic Geometry · Mathematics 2025-04-29 Jian Han

Flat coordinates for Frobenius manifolds defined on the orbit space of a Coxeter group W are specified through a certain system of generators of W-invariant polynomials. In this note, starting from basic invariants proposed by M.Mehta, we…

Differential Geometry · Mathematics 2009-10-29 Devis Abriani

By using a free monoid of operators on the set of compositions (resp. pairs of compositions), we establish in this paper a bijective correspondence between Frobenius standard parabolic (resp. seaweed) subalgebras and certain elements of…

Representation Theory · Mathematics 2014-09-29 Michel Duflo , Rupert W. T. Yu

Solutions to the Riemann-Hilbert problems with irregular singularities naturally associated to semisimple Frobenius manifold structures on Hurwitz spaces (moduli spaces of meromorphic functions on Riemann surfaces) are constructed. The…

Mathematical Physics · Physics 2008-09-22 Vasilisa Shramchenko

Main mathematical applications of Frobenius manifolds are in the theory of Gromov - Witten invariants, in singularity theory, in differential geometry of the orbit spaces of reflection groups and of their extensions, in the hamiltonian…

Algebraic Geometry · Mathematics 2007-05-23 Boris Dubrovin

We construct a generalization of the variations of Hodge structures on Calabi-Yau manifolds. It gives a Mirror partner for the theory of genus=0 Gromov-Witten invariants

alg-geom · Mathematics 2023-02-21 Sergey Barannikov , Maxim Kontsevich

We construct a Frobenius structure whose intersection form coincides with the generalized Cartan matrix of the $\ell$-Kronecker quiver $K_{\ell}$ and underlying complex manifold is isomorphic to the space of stability conditions for the…

Algebraic Geometry · Mathematics 2020-08-26 Akishi Ikeda , Takumi Otani , Yuuki Shiraishi , Atsushi Takahashi

In this paper we study gradings on simple Lie algebras arising from nilpotent elements. Specifically, we investigate abelian subalgebras which are degree 1 homogeneous with respect to these gradings. We show that for each odd nilpotent…

Representation Theory · Mathematics 2020-05-19 A. G. Elashvili , M. Jibladze , V. G. Kac

We consider certain quotient algebras of tensor algebras of bimodules $M$ over a finite-dimensional algebra $R$, and we investigate Frobenius type properties of such algebras. Our main interest is in the case where $M=R^*$, the linear dual…

Rings and Algebras · Mathematics 2025-03-21 Sorin Dascalescu , Constantin Nastasescu , Laura Nastasescu

A Frobenius manifold is a manifold with a flat metric and a Frobenius algebra structure on tangent spaces at points of the manifold such that the structure constants of multiplication are given by third derivatives of a potential function…

Algebraic Geometry · Mathematics 2016-07-05 Alexander Varchenko

To each symmetric graded Frobenius superalgebra we associate a W-algebra. We then define a linear isomorphism between the trace of the Frobenius Heisenberg category and a central reduction of this W-algebra. We conjecture that this is an…

Representation Theory · Mathematics 2022-04-27 Michael Reeks , Alistair Savage

We investigate the properties of principal elements of Frobenius Lie algebras, following the work of M. Gerstenhaber and A. Giaquinto. We prove that any Lie algebra with a left symmetric algebra structure can be embedded, in a natural way,…

Differential Geometry · Mathematics 2014-04-15 Andre Diatta , Bakary Manga

We consider Frobenius algebras in the monoidal category of right comodules over a Hopf algebra $H$. If $H$ is a group Hopf algebra, we study a more general Frobenius type property and uncover the structure of graded Frobenius algebras.…

Quantum Algebra · Mathematics 2013-07-30 Sorin Dascalescu , Constantin Nastasescu , Laura Nastasescu

We derive explicit formulas for the inverses of the Cartan matrices of the simple Lie algebras and the basic classical Lie superalgebras, as well as for their infinite generalizations.

Representation Theory · Mathematics 2017-11-07 Yangjiang Wei , Yi Ming Zou

Suppose that a Lie type algebra L over a field K admits a Frobenius group of automorphisms FH with cyclic kernel F of order n and complement H such that the fixed-point subalgebra of F is trivial and the fixed-point subalgebra of H is…

Rings and Algebras · Mathematics 2021-11-30 N. Yu Makarenko