Mathematics
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Kris's user avatar
Kris
  • Member for 11 years, 4 months
  • Last seen more than a month ago
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8
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48
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32
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30
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Top posts
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All Questions Answers
Score Newest
answer
38
Why is compactness so important?
Sep 6, 2013
answer
20
Is there a finite field in which the additive group is not cyclic?
Aug 25, 2012
answer
12
Galois Field GF(4)
Jul 19, 2012
answer
10
The "need" for cohomology theories
Jul 18, 2012
answer
8
If $f: \mathbb Q\to \mathbb Q$ is a homomorphism, prove that $f(x)=0$ for all $x\in\mathbb Q$ or $f(x)=x$ for all $x$ in $\mathbb Q$.
Jul 26, 2012
answer
7
Showing that the closure of the closure of a set is its closure
Jul 20, 2012
question
6
A naturally occurring non-locally small category
Oct 23, 2012
question
5
Adding Cohen reals one at a time
Nov 29, 2012
question
5
Weak cardinal powers and singular cardinals
Jan 4, 2013
question
5
A reference that forcing with a poset of cardinality less than $\kappa$ preserves supercompact cardinals
Apr 11, 2013
Top network posts
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12
Is a leaky integrator the same thing as a low pass filter?
7
Pythonic way of getting all consecutive 2-tuples from list

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