Mathematics – Rings and Algebras
Scientific paper
2011-04-18
Mathematics
Rings and Algebras
43 pages
Scientific paper
We develop a new approach to highest weight categories $\cal{C}$ with good (and cogood) posets of weights via pseudocompact algebras by introducing ascending (and descending) quasi-hereditary pseudocompact algebras. For $\cal{C}$ admitting a Chevalley duality, we define and investigate tilting modules and Ringel duals of the corresponding pseudocompact algebras. Finally, we illustrate all these concepts on an explicit example of the general linear supergroup $GL(1|1)$.
Marko Frantisek
Zubkov Alexandr N.
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