Commensurators of surface braid groups

Autor: Kida, Yoshikata, Yamagata, Saeko
Rok vydání: 2010
Předmět:
Zdroj: J. Math. Soc. Japan 63 (2011) 1391-1435
Druh dokumentu: Working Paper
DOI: 10.2969/jmsj/06341391
Popis: We prove that if g and n are integers at least two, then the abstract commensurator of the braid group with n strands on a closed orientable surface of genus g is naturally isomorphic to the extended mapping class group of a compact orientable surface of genus g with n boundary components.
Comment: 35 pages, 12 figures
Databáze: arXiv