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Suppose that a Lie algebra $L$ admits a finite Frobenius group of automorphisms $FH$ with cyclic kernel $F$ and complement $H$ of order 2, such that the fixed-point subalgebra of $F$ is trivial and the fixed-point subalgebra of $H$ is…

Rings and Algebras · Mathematics 2022-12-08 N. Yu. Makarenko

In a previous paper we studied ``weakly primitive axial algebras'' with respect to more general fusion rules, for which at least one axis satisfies the fusion rules. In this continuation, a concise description is provided of the…

Rings and Algebras · Mathematics 2025-09-23 Louis Rowen , Yoav Segev

The class of finitely presented algebras over a field K with a set of generators a_1,...,a_n and defined by homogeneous relations of the form a_1a_2...a_n = a_{sigma(1)}a_{sigma(2)}...a_{sigma(n)}, where sigma runs through an abelian…

Rings and Algebras · Mathematics 2014-12-12 Ferran Cedo , Eric Jespers , Georg Klein

In previous work by the first two authors, Frobenius and commutative algebra objects in the category of spans of sets were characterized in terms of simplicial sets satisfying certain properties. In this paper, we find a similar…

Category Theory · Mathematics 2024-09-10 Ivan Contreras , Rajan Amit Mehta , Walker H. Stern

A group $G$ has a Frobenius graphical representation (GFR) if there is a simple graph $\varGamma$ whose full automorphism group is isomorphic to $G$ and it acts on vertices as a Frobenius group. In particular, any group $G$ with GFR is a…

Group Theory · Mathematics 2019-09-10 Gábor Korchmáros , Gábor P. Nagy

The tensor functor called $\alpha$-induction arises from a Frobenius algebra object, or a Q-system, in a braided unitary fusion category. In the operator algebraic language, it gives extensions of endomorphism of $N$ to $M$ arising from a…

Quantum Algebra · Mathematics 2024-08-12 Yasuyuki Kawahigashi

If $\mathfrak{g}$ is a Frobenius Lie algebra, then the spectrum of $\mathfrak{g}$ is an algebraic invariant equal to the multiset of eigenvalues corresponding to a particular operator acting on $\mathfrak{g}$. In the case of Frobenius…

Combinatorics · Mathematics 2023-06-21 Nicholas Mayers , Nicholas Russoniello

Suppose that a Lie algebra $L$ admits a finite Frobenius group of automorphisms $FH$ with cyclic kernel $F$ and complement $H$ such that the characteristic of the ground field does not divide $|H|$. It is proved that if the subalgebra…

Rings and Algebras · Mathematics 2013-03-06 N. Yu. Makarenko , E. I. Khukhro

In this paper we build a link between the Teichmuller theory of hyperbolic Riemann surfaces and isomonodromic deformations of linear systems whose monodromy group is the Fuchsian group associated to the given hyperbolic Riemann surface by…

Algebraic Geometry · Mathematics 2009-11-04 Leonid Chekhov , Marta Mazzocco

We describe the construction of Frobenius manifold out of a cyclic (commutative) $BV_\infty$ algebra $(A,\Delta)$ under the assumption of a Hodge-to-de Rham degeneration property and the existence of a compatible homotopy retract of $A$…

Mathematical Physics · Physics 2025-11-14 Wen Hao

We characterize Frobenius and separable monoidal algebra extensions $i: R\ra S$ in terms given by $R$ and $S$. For instance, under some conditions, we show that the extension is Frobenius, respectively separable, if and only if $S$ is a…

Quantum Algebra · Mathematics 2013-03-05 Daniel Bulacu , Blas Torrecillas

A theorem of Kontsevich relates the homology of certain infinite dimensional Lie algebras to graph homology. We formulate this theorem using the language of reversible operads and mated species. All ideas are explained using a pictorial…

Quantum Algebra · Mathematics 2007-05-23 Swapneel Mahajan

In this paper we will study the notion of a Frobenius $\star$-algebra and prove some orthogonality relations for the irreducible characters of a Frobenius $\star$-algebra. Then we will study $\mathbb{Z}/m\mathbb{Z}$-graded Frobenius…

Representation Theory · Mathematics 2018-10-01 Prashant Arote

The theme of the paper is the use of commutative Frobenius algebras in braided strict monoidal categories in the study of varieties of circuits and communicating systems which occur in Computer Science, including circuits in which the wires…

Category Theory · Mathematics 2011-10-05 R. Rosebrugh , N. Sabadini , R. F. C. Walters

We functorially characterize groupoids as special dagger Frobenius algebras in the category of sets and relations. This is then generalized to a non-unital setting, by establishing an adjunction between H*-algebras in the category of sets…

Category Theory · Mathematics 2012-12-05 Chris Heunen , Ivan Contreras , Alberto S. Cattaneo

In this paper, we show that $\C{G}$-Frobenius algebras (for $\C{G}$ a finite groupoid) correspond to a particular class of Frobenius objects in the representation category of $D(k[\C{G}])$, where $D(k[\C{G}])$ is the Drinfeld double of the…

Quantum Algebra · Mathematics 2014-04-11 David Pham

Throughout this paper $A$ is a commutative non-associative algebra over a field $\mathbb{F}$ of characteristic not $2.$ In addition $A$ posses a Frobenius form. We obtain detailed information about the multiplication in $A$ given two axes…

Rings and Algebras · Mathematics 2026-01-29 Yoav Segev

We propose an abelian categorification of $\hat{Z}$-invariants for Seifert $3$-manifolds. First, we give a recursive combinatorial derivation of these $\hat{Z}$-invariants using graphs with certain hypercubic structures. Next, we consider…

Representation Theory · Mathematics 2025-01-23 Shoma Sugimoto

We introduce a canonical structure of a commutative associative filtered algebra with the unit on polynomial smooth valuations, and study its properties. The induced structure on the subalgebra of translation invariant smooth valuations has…

Metric Geometry · Mathematics 2021-04-23 Semyon Alesker

We prove that the category of solutions of the set-theoretic Yang-Baxter equation of Frobenius-Separability (FS) type is equivalent to the category of pointed Kimura semigroups. As applications, all involutive, idempotent, nondegenerate,…

Quantum Algebra · Mathematics 2025-07-14 A. L. Agore , A. Chirvasitu , G. Militaru