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Dan Shved

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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  • Moscow, Russia
  • danshved.wordpress.com
  • Member for 6 years, 7 months
  • 2,689 profile views
  • Last seen May 29 '18 at 20:14

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Top posts (259) All Questions Answers | Votes Newest

89 Why is $\log(\sqrt{x^2+1}+x)$ odd? Dec 26 '12
36 Intuition behind logarithm inequality: $1 - \frac1x \leq \log x \leq x-1$ Mar 8 '13
35 Is it true that the order of $ab$ is always equal to the order of $ba$? Nov 15 '12
30 solving $\sqrt{3-\sqrt{3+x}}=x$. Feb 23 '13
30 IMO 1987 - function such that $f(f(n))=n+1987$ Mar 9 '13
22 $\overline{xyz} =x!+y!+z!$ Mar 11 '13
21 The product of digits equal to the sum of digits Nov 2 '12
19 Does a positive definite matrix have positive determinant Aug 11 '14
18 Why is one proof for Cauchy-Schwarz inequality easy, but directly it is hard? Mar 24 '14
18 what is total order - explanation please Nov 17 '12
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