37 citations · 174 across the 19 of their papers we have counts for
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math.QA2023
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.QA2022
Hopf-Galois extensions and twisted Hopf algebroids
Xiao Han, Shahn Majid
We show that the Ehresmann-Schauenburg bialgebroid of a quantum principal bundle or Hopf Galois extension with structure quantum group is in fact a left Hopf algebroid $L(P…