320 citations
- International Solvay InstitutesBE18 papers
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Showing 2004 · math.QAShow all
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math.QA2004
A categorical approach to Turaev's Hopf group-coalgebras
S. Caenepeel, M. De Lombaerde
We show that Turaev's group-coalgebras and Hopf group-coalgebras are coalgebras and Hopf algebras in a symmetric monoidal category, which we call the Turaev category. A similar res…
math.QA2004
Doi-Hopf modules and Yetter-Drinfeld modules for quasi-Hopf algebras
D. Bulacu, S. Caenepeel, B. Torrecillas
For a quasi-Hopf algebra , a left -comodule algebra $\mf{B}$ and a right -module coalgebra we will characterize the category of Doi-Hopf modules ${}^C{\cal M}(H)_{\mf{…