A note on stable commutator length in braided Ptolemy-Thompson groups

2020/02/28 by Shuhei Maruyama, Maruyama, Shuhei
Computer Science · Mathematics · #FOS: Mathematics #Finite Group Theory Research #Geometric and Algebraic Topology #Group Theory (math.GR) #math.GR #semigroups and automata theory

paper · pdf · doi:10.48550/arxiv.2002.12743

5 pages

arxiv created 2020/02/28 · openalex publication_date 2020/02/28 · arxiv updated 2020/03/02 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

In this note, we show that the sets of all stable commutator lengths in the braided Ptolemy-Thompson groups are equal to non-negative rational numbers.

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