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Showing 2006 · math.ACShow all
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math.AC2006★ 1 cited
Descent via Koszul extensions
Lars Winther Christensen, Sean Sather-Wagstaff
Let R be a commutative noetherian local ring with completion R^. We apply differential graded (DG) algebra techniques to study descent of modules and complexes from R^ to R' where…
math.AC2006
A test complex for Gorensteinness
Lars Winther Christensen, Oana Veliche
Let be a commutative noetherian ring with a dualizing complex. By recent work of Iyengar and Krause, the difference between the category of acyclic complexes and its subcategor…