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In this paper we discuss and characterize several set-theoretic solutions of the Yang-Baxter equation obtained using skew lattices, an algebraic structure that has not yet been related to the Yang-Baxter equation. Such solutions are…

Quantum Algebra · Mathematics 2020-02-06 Karin Cvetko-Vah , Charlotte Verwimp

This paper aims to introduce a construction technique of set-theoretic solutions of the Yang-Baxter equation, called strong semilattice of solutions. This technique, inspired by the strong semilattice of semigroups, allows one to obtain new…

Quantum Algebra · Mathematics 2021-09-24 Francesco Catino , Ilaria Colazzo , Paola Stefanelli

We study 2-reductive non-involutive non-degenerate set-theoretic solutions of the Yang-Baxter equation. We give a combinatorial construction of any such solution of any (even infinite) size. We also prove that solutions associated to a skew…

Combinatorics · Mathematics 2023-03-28 Přemysl Jedlička , Agata Pilitowska

Dynamical skew braces are known to produce solutions to the quiver-theoretic Yang--Baxter equation. Under a technical hypothesis, we prove that these solutions are braided groupoids (and hence skew bracoids in the sense of Sheng, Tang and…

Quantum Algebra · Mathematics 2025-05-21 Davide Ferri

Motivated by recent findings on the derivation of parametric non-involutive solutions of the Yang-Baxter equation we reconstruct the underlying algebraic structures, called near braces. Using the notion of the near braces we produce new…

Rings and Algebras · Mathematics 2024-01-30 Anastasia Doikou , Bernard Rybolowicz

We produce novel non-involutive solutions of the Yang-Baxter equation coming from (skew) braces. These solutions are generalisations of the known ones coming from braces and skew braces, and surprisingly in the case of braces they are not…

Rings and Algebras · Mathematics 2024-10-03 Anastasia Doikou , Bernard Rybolowicz

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

The study of non-degenerate set-theoretic solutions of the Yang-Baxter equation calls for a deep understanding of the algebraic structure of a skew left brace. In this paper, the skew brace theoretical property of solubility is introduced…

We introduce a new point of view to present classical notions related to set-theoretic solutions of the Yang-Baxter equation: left skew braces, dirings, left skew rings. The idea is to replace the single multiplication on a left near-ring…

Rings and Algebras · Mathematics 2026-03-18 Alberto Facchini

Braces are generalizations of radical rings, introduced by Rump to study involutive non-degenerate set-theoretical solutions of the Yang-Baxter equation (YBE). Skew braces were also recently introduced as a tool to study not necessarily…

Group Theory · Mathematics 2018-04-04 A. Smoktunowicz , L. Vendramin

Skew braces are one of the main algebraic tools controlling the structure of a non-degenerate bijective set-theoretic solution of the Yang-Baxter equation. The aim of this paper is to study model-theoretically tame skew braces, with…

Group Theory · Mathematics 2025-08-26 Maria Ferrara , Marco Trombetti , Moreno Invitti , Frank Olaf Wagner

This work initiates a systematic study of the class of quasi bijective and quasi non-degenerate solutions to the set-theoretic Yang-Baxter equation. The motivation stems from the observation that solutions that arise from dual weak braces…

Quantum Algebra · Mathematics 2025-12-12 Marzia Mazzotta , Paola Stefanelli , Magdalena Wiertel

We consider involutive, non-degenerate, finite set theoretic solutions of the Yang-Baxter equation. Such solutions can be always obtained using certain algebraic structures that generalize nil potent rings called braces. Our main aim here…

Mathematical Physics · Physics 2021-09-23 Anastasia Doikou

In this paper, we provide techniques to obtain left non-degenerate set-theoretic solutions of the Yang-Baxter equation, drawing on the class of right groups. To this end, we introduce the new algebraic structures of left $RG$-semibraces,…

Group Theory · Mathematics 2026-05-26 Andrea Albano , Alberto Facchini , Marzia Mazzotta , Paola Stefanelli

Given a skew left brace $B$, a method is given to construct all the non-degenerate set-theoretic solutions $(X,r)$ of the Yang Baxter equation such that the associated permutation group $\mathcal{G}(X,r)$ is isomorphic, as a skew left…

Quantum Algebra · Mathematics 2016-11-28 David Bachiller

To determine and analyze arbitrary left non-degenerate set-theoretic solutions of the Yang-Baxter equation (not necessarily bijective), we introduce an associative algebraic structure, called a YB-semitruss, that forms a subclass of the…

Rings and Algebras · Mathematics 2022-09-07 Ilaria Colazzo , Eric Jespers , Arne Van Antwerpen , Charlotte Verwimp

Our primary focus is on the theory of skew braces, specifically exploring their connection with combinatorial solutions to the Yang-Baxter equation. Skew braces have recently emerged as intriguing algebraic structures, and their link to the…

Rings and Algebras · Mathematics 2024-12-05 Leandro Vendramin

Braces were introduced by Rump to study non-degenerate involutive set-theoretic solutions of the Yang-Baxter equation. We generalize Rump's braces to the non-commutative setting and use this new structure to study not necessarily involutive…

Quantum Algebra · Mathematics 2017-05-09 L. Guarnieri , L. Vendramin

The interplay between set-theoretic solutions of the Yang--Baxter equation of Mathematical Physics, skew braces, regular subgroups, and Hopf--Galois structures has spawned a considerable body of literature in recent years. In a recent…

Group Theory · Mathematics 2021-10-25 A. Caranti , L. Stefanello

We study simple set-theoretic solutions of the Yang-Baxter equation that are finite and non-degenerate. Such retractable solutions are fully described and to investigate the irretracble solutions we give a new algebraic method. Our approach…

Rings and Algebras · Mathematics 2025-10-03 Ilaria Colazzo , Eric Jespers , Łukasz Kubat , Arne Van Antwerpen
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