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.AT2024
Topological complexity of enumerative problems and classifying spaces of
Weiyan Chen, Xing Gu
We study the topological complexity, in the sense of Smale, of three enumerative problems in algebraic geometry: finding the 27 lines on cubic surfaces, the 28 bitangents and the 2…