2 papers
math.QA2026
Bisections and cocycles on Hopf algebroids
Xiao Han, Shahn Majid
We introduce and study the group of bisections of a Hopf algebroid and show that they form a group crossed module or 2-group with the group…
math.AP2025
Vortex Solutions for A Mixed Boundary-Value Problem in the Abelian-Higgs Model with A Neutral Scalar Field
Guange Su, Xiaosen Han
Vortices represent a class of topological solitons arising in gauge theories coupled with complex scalar fields, holding significant importance across various domains of modern phy…