Positive factorizations of symmetric mapping classes
classification
🧮 math.GT
keywords
mappingclassclassespositivesymmetricadmittingaffirmativelyanswer
read the original abstract
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.
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