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Top Questions
11
votes
A question related to Krull-Akizuki theorem
commutative-algebra
asked Mar 1, 2011 at 11:47
math.stackexchange.com
10
votes
A question on faithfully flat extension
commutative-algebra
asked Jun 19, 2013 at 18:56
math.stackexchange.com
8
votes
primary ideal of regular local ring
commutative-algebra
asked Mar 6, 2012 at 13:34
math.stackexchange.com
7
votes
Projective module over $R[X]$
commutative-algebra
projective-module
asked Feb 27, 2011 at 17:25
math.stackexchange.com
6
votes
Valuation ring in an algebraically closed field
commutative-algebra
field-theory
valuation-theory
asked Jun 19, 2013 at 14:36
math.stackexchange.com
6
votes
A question on non noetherian ring
ac.commutative-algebra
asked Jan 29, 2014 at 20:49
mathoverflow.net
5
votes
Ring of invariants of a finite subgroup of $GL_2(\mathbb{C})$
invariant-theory
ac.commutative-algebra
asked Mar 11, 2011 at 19:12
mathoverflow.net
5
votes
Some questions on abelian category
category-theory
abelian-categories
asked Nov 1, 2013 at 18:48
math.stackexchange.com
5
votes
A question on $\operatorname{GL}_2(\mathbb R)$
linear-algebra
abstract-algebra
group-theory
asked Mar 4, 2011 at 12:09
math.stackexchange.com
Top Answers
19
Prove that $x^{2} \equiv 1 \pmod{2^k}$ has exactly four incongruent solutions
math.stackexchange.com
9
Vector Spaces: Finding a basis and Dimension
math.stackexchange.com
8
For finite abelian groups, show that $G \times G \cong H \times H$ implies $G \cong H$
math.stackexchange.com
7
Equality of polynomials: formal vs. functional
math.stackexchange.com
6
Localization at a prime ideal in $\mathbb{Z}/6\mathbb{Z}$
math.stackexchange.com
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