Grad student at MIT Mathematics, working in algebraic combinatorics and dabbling in category theory and TCS.
15 Why are Noetherian Rings important? dec 9 '13
9 For $M\otimes_R N$, why is it so imperative that $M$ be a right $R$-module and $N$ a left $R$-module? mar 8 '12
9 Good books and lecture notes about category theory. dec 31 '12
8 Is Orzech's generalization of the surjective-endomorphism-is-injective theorem correct? dec 13 '14
7 what are the uses of this identity jan 29 '12
7 $A$ is a unitary ring with $xy=1$ implies $yx=1$, prove that if $a^2=3b^2$ and $3ab=1+4ba$, then $ab=ba$ sep 28