Open Access
October 2021 The torsion generating set of the extended mapping class groups in low genus cases
Xiaoming DU
Author Affiliations +
Osaka J. Math. 58(4): 815-825 (October 2021).

Abstract

We prove that for genus $g=3,4$, the extended mapping class group $\text{Mod}^{\pm}(S_g)$ can be generated by two elements of finite orders. But for $g=1$, $\text{Mod}^{\pm}(S_1)$ cannot be generated by two elements of finite orders.

Funding Statement

The author is supported by the Fundamental Research Funds for the Central Universities in China.

Citation

Download Citation

Xiaoming DU. "The torsion generating set of the extended mapping class groups in low genus cases." Osaka J. Math. 58 (4) 815 - 825, October 2021.

Information

Received: 17 February 2020; Revised: 10 June 2020; Published: October 2021
First available in Project Euclid: 11 October 2021

MathSciNet: MR4335374
zbMATH: 1517.57011

Subjects:
Primary: 20F05 , 57M60

Rights: Copyright © 2021 Osaka University and Osaka City University, Departments of Mathematics

Vol.58 • No. 4 • October 2021
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