English

From skein theory to presentations for Thompson group

Group Theory 2016-09-30 v2 Operator Algebras

Abstract

Jones introduced unitary representations of Thompson group FF starting from a given subfactor planar algebra, and all unoriented links arise as matrix coefficients of these representations. Moreover, all oriented links arise as matrix coefficients of a subgroup F\vec{F} which is the stabilizer of a certain vector. Later Golan and Sapir determined the subgroup F\vec{F} and showed many interesting properties. In this paper, we investigate into a large class of groups which arises as subgroups of Thompson group FF and reveal the relation between the skein theory of the subfactor planar algebra and the presentation of subgroup related to the corresponding unitary representation. Specifically, we answer a question by Jones about the 3-colorable subgroup.

Keywords

Cite

@article{arxiv.1609.04077,
  title  = {From skein theory to presentations for Thompson group},
  author = {Yunxiang Ren},
  journal= {arXiv preprint arXiv:1609.04077},
  year   = {2016}
}

Comments

16 pages

R2 v1 2026-06-22T15:49:02.426Z