Solutions of the Yang–Baxter Equation and Strong Semilattices of Skew Braces
Francesco Catino,
Marzia Mazzotta,
Paola Stefanelli
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 $$B_\alpha $$
B
α
, with $$\alpha \in Y$$
α
∈
Y
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