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.
Buchsbaum and David Eisenbud,Algebra structures for finite free resolutions, and some structure theorems for ideals of codimension3, Amer
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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.