201 citations
- International Solvay InstitutesBE12 papers
- European Southern ObservatoryCL7 papers
- Université Libre de BruxellesBE7 papers
- University of BucharestRO5 papers
- Gdańsk University of TechnologyPL4 papers
- Imperial College LondonGB4 papers
- Stockholm UniversitySE4 papers
- University of MonsBE4 papers
- Utrecht UniversityNL4 papers
- Aarhus UniversityDK3 papers
- Chiba UniversityJP3 papers
- Clark Atlanta UniversityUS3 papers
Showing 2006 · math.RAShow all
2 papers · 2 filters
math.RA2006
Projectivity and freeness over comodule algebras
S. Skryabin
Let H be a Hopf algebra and A an H-simple right H-comodule algebra. It is shown that under certain hypotheses every (H,A)-Hopf module is either projective or free as an A-module an…
math.RA2006★ 1 cited
Partial (co)actions of Hopf algebras and partial Hopf-Galois theory
S. Caenepeel, K. Janssen
We introduce partial (co)actions of a Hopf algebra on an algebra. To this end, we introduce first the notion of lax coring, generalizing Wisbauer's notion of weak coring. We al…