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Mathematics
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wxu
  • Member for 13 years, 9 months
  • Last seen more than 2 years ago
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Long time no see...

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Top posts
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answer
59
Slick proof the determinant is an irreducible polynomial
May 19, 2012
answer
36
Intersection maximal ideals of a polynomial ring
Sep 12, 2011
question
23
Why is the Hessian of an irreducible polynomial not zero?
Jul 29, 2011
answer
23
Must $k$-subalgebra of $k[x]$ be finitely generated?
Jun 17, 2011
question
19
If all roots of $\sum_{i=0}^na_ix^i$ are real, so are all roots of $\sum_{i=0}^n{n\choose i}a_ix^i$.
Sep 28, 2012
question
18
Irreducible components of topological space
Jun 21, 2011
question
16
Question about UFD
Sep 11, 2011
question
15
Irreducible polynomial modulo every prime?
Jun 8, 2011
question
14
Must $k$-subalgebra of $k[x]$ be finitely generated?
Jun 16, 2011
answer
12
An example of a commutative ring in which every primary ideal is prime
Nov 16, 2013
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7
Can the I-fold direct product be free?
6
Faithfully flat ring homomorphism and annihilator