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Entropic Niebrzydowski Tribrackets

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arxiv 2308.11005 v1 pith:CURVCK76 submitted 2023-08-21 math.GT math.QA

Entropic Niebrzydowski Tribrackets

classification math.GT math.QA
keywords entropictribracketstribrackethomsetniebrzydowskioperationstructureabelian
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We introduce the notion of entropic Niebrzydowski tribrackets or just entropic tribrackets, analogous to entropic (also known as abelian or medial ) quandles and biquandles. We show that if X is a finite entropic tribracket then for any tribracket T , the homset Hom(T, X) (and in particular, for any oriented link L, the homset Hom(T (L), X)) also has the structure of an entropic tribracket. This operation yields a product on the category of entropic tribrackets; we compute the operation table for entropic tribrackets of small cardinality and prove a few results. We conjecture that this structure can be used to distinguish links which have the same counting invariant with respect to a chosen entropic coloring tribracket X.

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