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math.AC2016
Isomorphisms of Discriminant Algebras
Owen Biesel, Alberto Gioia
For each natural number , we define a category whose objects are discriminant algebras in rank , i.e. functorial means of attaching to each rank- algebra a quadratic algeb…
math.AC2016
Galois closure data for extensions of rings
Owen Biesel
To generalize the notion of Galois closure for separable field extensions, we devise a notion of -closure for algebras of commutative rings , where is locally free o…