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Showing 2007Show all
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math.AT2007★ 3 cited
Deformation bicomplex of module-algebras
Donald Yau
The deformation bicomplex of a module-algebra over a bialgebra is constructed. It is then applied to study algebraic deformations in which both the module structure and the algebra…
math.AC2007
The patch topology and the ultrafilter topology on the prime spectrum of a commutative ring
Marco Fontana, K. Alan Loper
Let R be a commutative ring and let Spec(R) denote the collection of prime ideals of R. We define a topology on Spec(R) by using ultrafilters and demonstrate that this topology is…