Mathematics
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No rules unless they make sense.

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All Questions Answers
Score Newest
answer
26
Dimension of $\mathbb{Q}\otimes_{\mathbb{Z}} \mathbb{Q}$ as a vector space over $\mathbb{Q}$
Aug 2, 2013
answer
17
Who realized $\int \frac 1x dx =\ln(x)+c$?
Jul 12, 2013
answer
14
For polynomial $f$, does $f$(rational) = rational$^2$ always imply that $f(x) = g(x)^2$?
Jul 3, 2013
answer
12
ring without zero-divisors
Jul 16, 2013
answer
10
Why is it called an "orthocenter"? What is the orthocircle?
Jan 16, 2014
answer
10
Why is $X^4+1$ reducible over $\mathbb F_p$ with $p \geq 3,$ prime
Jun 23, 2013
answer
10
What are some physical, geometric, or otherwise useful interpretations of divergent series?
Nov 7, 2013
answer
9
Finding $x^4 + y^4 + z^4$ using geometric series
Aug 15, 2013
answer
9
Show that triangle-free planar graphs are four-colorable
Jul 28, 2013
answer
9
find all rational functions $f(x)$ such that $(f(x))^2-f(x^2)=constant$,
Jul 5, 2013
Top Meta posts
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Google's recalled Black bar ended up here.
8
Reputation points from a bounty after deleting the question.
3
Why votes should stay fixed?
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148
How to cite an article from Arxiv using bibtex
76
Numbers outside Math environment
44
How much reading do you do before you attack a problem?
29
Phantom width of binary operator
29
Is PA consistent? do we know it?

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