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Apr
11
comment Quotients of algebras; salvaging intuition
@Arturo: Thanks for Tex advice. Now I can learn Tex code by just inspecting other people's code.
Apr
10
awarded  Supporter
Apr
10
answered Show the $R$-module $R$ is isomorphic to $Rb \times R(1-b)$ where $b$ is an idempotent of a commutative ring with unity
Apr
10
answered Quotients of algebras; salvaging intuition
Apr
10
comment Trace as Bilinear form on a field extension
Oh nice. Thanks for tip. I'm a Tex retard.
Apr
9
awarded  Teacher
Apr
9
answered Trace as Bilinear form on a field extension