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Censi LI

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Top posts (8) All Questions Answers | Votes Newest

8 Can every commutative ring of characteristic $p\in\mathbb P$ be written as the form $R/(p)$ with $R$ being a ring of characteristic $0$? Jun 11 '15
7 On describing a sort of “well-behaved” subgroups of a free abelian group Jun 17 '16
5 If $R$ is generated by idempotents, then $\text{Ann}(R)=0$? Mar 30 '15
2 Does a binormal category always admit an additive structure? Jun 17 '16
1 Do set-theorists use informal set theory as their meta-theory when talking about models of ZFC? Jul 1 '17
1 Structure of $\text{Aut}_R(R[X])$ Mar 31 '15
1 Suppose that $G$ is a subgroup of $GL_n(\mathbb C)$ with finite exponent. Then is $G$ a finite group? [closed] Mar 14 '15
0 For which pairs of distinct positive primes $p$ and $q$, the integral closure of $\mathbb{Z}$ in $\mathbb{Q}[\sqrt{pq}]$ is a UFD? Mar 13 '15

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