Mathematics – Representation Theory
Scientific paper
2010-03-15
Mathematics
Representation Theory
Scientific paper
One of our main results is a classification all the weakly symmetric radical cube zero finite dimensional algebras over an algebraically closed field having a theory of support via the Hochschild cohomology ring satisfying Dade's Lemma. Along the way we give a characterization of when a finite dimensional Koszul algebra has such a theory of support in terms of the graded centre of the Koszul dual.
Erdmann Karin
Solberg Øyvind
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