Twisted Yang-Baxter sets, cohomology theory, and application to knots
arxiv(2024)
摘要
In this article, we introduce a notion of twisted set-theoretic Yang-Baxter
solution, which is a triplet (X,f,R), where (X,R) is a Yang-Baxter set and
f:X → X is an automorphism of (X,R). We present a cohomology theory for
it, and use cocycles of twisted biquandles in amalgamation with Alexander
numbering to construct state-sum invariant of knots and knotted surfaces.
Additionally, we introduce a twisted version of cohomology theory for
Yang-Baxter sets and give applications to knot theory.
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