Mathematics
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Dan Shved
  • Member for 9 years, 6 months
  • Last seen more than a month ago
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I'm a graduate student at MIPT, Russia. My thesis is in the theory of groups, but I like lots of other things too )

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All Questions Answers
Score Newest
answer
90
Why is $\log(\sqrt{x^2+1}+x)$ odd?
Dec 26, 2012
answer
65
Intuition behind logarithm inequality: $1 - \frac1x \leq \log x \leq x-1$
Mar 8, 2013
answer
46
Does a positive definite matrix have positive determinant?
Aug 11, 2014
answer
44
Is it true that the order of $ab$ is always equal to the order of $ba$?
Nov 15, 2012
answer
42
IMO 1987 - function such that $f(f(n))=n+1987$
Mar 9, 2013
answer
33
solving $\sqrt{3-\sqrt{3+x}}=x$.
Feb 23, 2013
answer
27
what is total order - explanation please
Nov 17, 2012
answer
25
Quotient Group G/G = {identity}?
Dec 28, 2012
answer
23
The product of digits equal to the sum of digits
Nov 2, 2012
answer
22
$\overline{xyz} =x!+y!+z!$
Mar 11, 2013
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14
Is the result of itertools.tee() thread-safe (Python)
8
Arrows between arrows

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