2 papers
math.GT2025
The normal closure of a homological genus 0 bounding pair map
Lei Chen, Weiyan Chen
Justin Lanier and the authors recently determined the group normally generated by a single bounding pair map of genus . We related this subgroup with the Chillingworth subgroup…
math.GT2025
The normal closure of a bounding pair map in its mapping class group
Lei Chen, Weiyan Chen, Justin Lanier
Johnson showed that the normal subgroup of a mapping class group generated by the genus bounding pair maps is equal to the Torelli group. Generalizing Johnson's result, we give…