The Yang-Baxter equation and Thompson's group F

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Abstract

We define non-degenerate involutive partial solutions as a generalization of non-degenerate involutive set-theoretical solutions of the quantum Yang-Baxter equation (QYBE). The induced operator is not a classical solution of the QYBE, but a braiding operator as in conformal field theory. We define the structure inverse monoid of a non-degenerate involutive partial solution and prove that if the partial solution is square-free, then it embeds into the restricted product of a commutative inverse monoid and an inverse symmetric monoid. Furthermore, we show that there is a connection between partial solutions and Thompson's group F. This raises the question of whether there are further connections between partial solutions and Thompson's groups in general.

Original languageEnglish
Pages (from-to)547-584
Number of pages38
JournalInternational Journal of Algebra and Computation
Volume33
Issue number3
DOIs
StatePublished - 1 May 2023

Bibliographical note

Publisher Copyright:
© 2023 World Scientific Publishing Company.

Keywords

  • Set-theoretic solutions of the Yang-Baxter equation
  • Thompson groups
  • braces

ASJC Scopus subject areas

  • General Mathematics

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