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pro vyhledávání: '"Layeghi, Pouya"'
Autor:
Favero, David, Layeghi, Pouya
We give a topological description of Ext groups between simple representations of categories via a nerve type construction. We use it to show that the Koszulity of indiscretely based category algebras is equivalent to the locally Cohen-Macaulay prope
Externí odkaz:
http://arxiv.org/abs/2412.18206
