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The balanced superelliptic mapping class groups are generated by three elements (2203.14460v2)
Published 28 Mar 2022 in math.GT, math.AT, and math.GR
Abstract: The balanced superelliptic mapping class group is the normalizer of the transformation group of the balanced superelliptic covering in the mapping class group of the total surface. We prove that the balanced superelliptic mapping class groups with either one marked point, one boundary component, or no marked points and boundary are generated by three elements. To prove this, we also show that its liftable mapping class groups are also generated by three elements. These generating sets are minimal except for several no marked points and boundary cases.