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Related papers: Problems on skew left braces

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This paper introduces Hopf braces, a new algebraic structure related to the Yang-Baxter equation which include Rump's braces and their non-commutative generalizations as particular cases. Several results of classical braces are still valid…

Quantum Algebra · Mathematics 2017-02-16 I. Angiono , C. Galindo , L. Vendramin

We examine links between the theory of braces and set theoretical solutions of the Yang-Baxter equation, and fundamental concepts from the theory of quantum integrable systems. More precisely, we make connections with Hecke algebras and we…

Mathematical Physics · Physics 2022-06-30 Anastasia Doikou , Agata Smoktunowicz

W. Rump showed that there exists a one-to-one correspondence between involutive right non-degenerate solutions of the Yang-Baxter equation and Rump right quasigroups. J. S. Carter, M. Elhamdadi, and M. Saito, meanwhile, introduced a…

Geometric Topology · Mathematics 2021-03-11 Józef H. Przytycki , Petr Vojtěchovský , Seung Yeop Yang

This paper shows that every finite non-degenerate involutive set theoretic solution (X,r) of the Yang-Baxter equation whose symmetric group has cardinality which a cube-free number is a multipermutation solution. Some properties of finite…

Rings and Algebras · Mathematics 2017-12-19 Agata Smoktunowicz

L. N. Childs defined a bi-skew brace to be a skew brace such that if we swap the role of the two operations, then we find again a skew brace. In this paper, we give a systematic analysis of bi-skew braces. We study nilpotency and…

Group Theory · Mathematics 2022-12-16 L. Stefanello , S. Trappeniers

We define isoclinism of skew braces and present several applications. We study some properties of skew braces that are invariant under isoclinism. For example, we prove that right nilpotency is an isoclinism invariant. This result has…

Group Theory · Mathematics 2025-06-30 Thomas Letourmy , Leandro Vendramin

Given a skew left brace $\mathfrak{B}$, we introduce the notion of an "opposite" skew left brace $\mathfrak{B}'$, which is closely related to the concept of the opposite of a group, and provide several applications. Skew left braces are…

Group Theory · Mathematics 2019-08-08 Alan Koch , Paul J. Truman

Given a left brace $G$, a method to construct all the involutive, non-degenerate set-theoretic solutions $(Y,s)$ of the YBE, such that $\mathcal{G}(Y,s)\cong G$ is given. This method depends entirely on the brace structure of $G$.

Group Theory · Mathematics 2015-03-11 David Bachiller , Ferran Cedo , Eric Jespers

A skew brace is a ring-like and group-like algebraic structure that was introduced in the study of set-theoretic solutions to the Yang-Baxter equation. In this survey paper, we shall consider the left series, right series, socle series, and…

Group Theory · Mathematics 2025-08-27 Cindy Tsang

As a generalization of skew braces, the notion of skew trusses was introduced by T. Brzezinski. It was shown that every Rota-Baxter group has the structure of skew braces by V. G. Bardakov and V. Gubarev. To investigate an analogue of…

Group Theory · Mathematics 2022-10-27 Zhonghua LI , Shukun Wang

Skew braces play a central role in the theory of set-theoretic non-degenerate solutions of the Yang--Baxter equation, since their algebraic properties significantly affect the behaviour of the corresponding solutions (see for example…

Rings and Algebras · Mathematics 2025-08-15 A. Caranti , I. Del Corso , M. Di Matteo , M. Ferrara , M. Trombetti

In this paper we present a characterization of finite simple involutive non-degenerate set-theoretic solutions of the Yang-Baxter equation by means of left braces and we provide some significant examples.

Quantum Algebra · Mathematics 2022-04-01 Marco Castelli

We involve simultaneously the theory of matched pairs of groups and the theory of braces to study set-theoretic solutions of the Yang-Baxter equation (YBE). We show the intimate relation between the notions of a symmetric group (a braided…

Quantum Algebra · Mathematics 2017-01-03 Tatiana Gateva-Ivanova

As generalizations of dual weak left braces and skew left braces, in this paper, dual weak left $\star$-braces and square skew left braces are introduced, respectively. We firstly show that a dual weak left $\star$-brace is exactly a strong…

Group Theory · Mathematics 2026-02-24 Shoufeng Wang

We use ring-theoretic methods and methods from the theory of skew braces to produce set-theoretic solutions to the reflection equation. We also use set-theoretic solutions to construct solutions to the parameter-dependent reflection…

Rings and Algebras · Mathematics 2020-01-16 Agata Smoktunowicz , Leandro Vendramin , Robert Weston

We present resent results regarding invertible, non-degenerate solutions of the set-theoretic Yang-Baxter and reflection equations. We recall the notion of braces and we present and prove various fundamental properties required for the…

Quantum Algebra · Mathematics 2025-05-21 Anastasia Doikou

We prove that any set-theoretic solution of the Yang-Baxter equation associated to a dual weak brace is a strong semilattice of non-degenerate bijective solutions. This fact makes use of the description of any dual weak brace $S$ we provide…

Quantum Algebra · Mathematics 2024-03-22 Francesco Catino , Marzia Mazzotta , Paola Stefanelli

We investigate a new algebraic structure which always gives rise to a set-theoretic solution of the Yang-Baxter equation. Specifically, a weak (left) brace is a non-empty set $S$ endowed with two binary operations $+$ and $\circ$ such that…

Quantum Algebra · Mathematics 2023-07-10 Francesco Catino , Marzia Mazzotta , Maria Maddalena Miccoli , Paola Stefanelli

We show how one can use the skew braces constructed using abelian maps to generate families of skew bracoids as defined by Martin-Lyons and Truman. Under certain circumstances, these bracoids give right non-degenerate solutions to the…

Group Theory · Mathematics 2025-01-30 Alan Koch , Paul J. Truman

The main aim of this paper is to determine reflections to bijective and non-degenerate solutions of the Yang-Baxter equation, by exploring their connections with their derived solutions. This is motivated by a recent description of left…

Quantum Algebra · Mathematics 2025-05-02 Andrea Albano , Marzia Mazzotta , Paola Stefanelli