User Timothy Wagner - Seasoned Advice

Timothy Wagner

Member for 12 years, 10 months
Last seen more than 12 years ago

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Nov 30, 2010

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88

How to show that every Boolean ring is commutative?

75

Does $R[x] \cong S[x]$ imply $R \cong S$?

29

When does the distributive law apply to ideals in a commutative ring?

29

$I+J=1 \Rightarrow I^n+J^n = 1$ for ideals (or elements in GCD domain) [Freshman's Dream Binomial Theorem]

27

Can $n!$ be a perfect square when $n$ is an integer greater than $1$?