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arXiv:1610.01122 [math.GT]AbstractReferencesReviewsResources

Positive factorizations of symmetric mapping classes

Tetsuya Ito, Keiko Kawamuro

Published 2016-10-04Version 1

We study Question 7.9 in the paper "Monoids in the mapping class group" by Etnyre and Van Horn-Morris; whether a symmetric mapping class admitting a positive factorization is a lift of a quasi-positive braid. We answer affirmatively for mapping classes satisfying certain cyclic conditions.

Comments: 19 pages, 4 figures
Categories: math.GT
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