Quasi-Gorenstein morphisms of local dg-algebras are characterized by a Gorenstein virtually small property, yielding new results for ring homomorphisms and exact sequences via Koszul complexes.
S ¸ega,Free resolutions over short Gorenstein local rings, Math
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Quasi-Gorenstein morphisms of commutative local dg-algebras
Quasi-Gorenstein morphisms of local dg-algebras are characterized by a Gorenstein virtually small property, yielding new results for ring homomorphisms and exact sequences via Koszul complexes.