We prove that any set-theoretic solution of the Yang–Baxter equation associated with 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 in terms of strong semilattice Y of skew braces Bα, with α∈Y. Additionally, we describe the ideals of S and study its nilpotency by correlating it to that of each skew brace Bα.

Solutions of the Yang–Baxter Equation and Strong Semilattices of Skew Braces

Catino F.;Mazzotta M.;Stefanelli P.
2024-01-01

Abstract

We prove that any set-theoretic solution of the Yang–Baxter equation associated with 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 in terms of strong semilattice Y of skew braces Bα, with α∈Y. Additionally, we describe the ideals of S and study its nilpotency by correlating it to that of each skew brace Bα.
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Descrizione: Solutions of the Yang–Baxter Equation and Strong Semilattices of Skew Braces
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11587/528166
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