English

Principal graph stability and the jellyfish algorithm

Operator Algebras 2012-08-09 v1 Quantum Algebra

Abstract

We show that if the principal graph of a subfactor planar algebra of modulus \delta>2 is stable for two depths, then it must end in A_{finite} tails. This result is analogous to Popa's theorem on principal graph stability. We use these theorems to show that an (n-1) supertransitive subfactor planar algebra has jellyfish generators at depth n if and only if its principal graph is a spoke graph.

Cite

@article{arxiv.1208.1564,
  title  = {Principal graph stability and the jellyfish algorithm},
  author = {Stephen Bigelow and David Penneys},
  journal= {arXiv preprint arXiv:1208.1564},
  year   = {2012}
}

Comments

25 pages, many figures

R2 v1 2026-06-21T21:47:42.069Z