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Mathematics
Noah Olander's user avatar
Noah Olander's user avatar
Noah Olander's user avatar
Noah Olander
  • Member for 9 years, 5 months
  • Last seen more than 1 year ago
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I'm an PhD student at Columbia.

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answer
15
What is a short exact sequence?
Jun 25, 2016
answer
14
Prove the open mapping theorem by using maximum modulus principle
Mar 31, 2015
answer
8
Automorphism group of an infinite field.
Dec 23, 2015
question
7
Why the attachment to simplices in (co)homology?
Jul 22, 2016
answer
7
Prove the set of matrices with one Jordan block is not dense in $M_n(\mathbb{C}).$
Sep 1, 2016
answer
7
Are these conditions sufficient for a $\mathbb{Z}$-module to be free?
May 18, 2016
answer
7
Why must a meromorphic function, bounded near infinity, have the same number of poles and zeros?
Dec 20, 2015
question
6
Another Watered Down Version of Dirichlet's Theorem
May 30, 2015
answer
6
Is the zero ideal $\{0_{M_2(\mathbb{R})}\}$ maximal in $M_{2}(\mathbb{R})$?
Apr 21, 2015
answer
6
Prove that there exists a real number $x$ for which $\displaystyle \sum_{k=0}^n a_kx^k = 0$
Mar 14, 2016