2 papers
math.QA2026
Freeness and divisibility for right -simple left -comodule algebras over a pointed Hopf algebra
Daisuke Nakamura
Let be a pointed Hopf algebra and let be a right -simple left -comodule algebra. We show that every relative -Hopf module is free as an -module and give a c…
math.QA2025
Exact module categories over
Daisuke Nakamura, Taiki Shibata, Kenichi Shimizu
We give a complete list of indecomposable exact module categories over the finite tensor category of representations of the small quantum group…