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ivan
  • Member for 14 years, 10 months
  • Last seen more than a month ago
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I am not a mathematician even though I've had some university level training. I am here mostly to read and to provoke a few discussions.
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37
Rooks in three dimensions
Jun 8, 2012
question
5
An inequality involving sums of powers
Sep 19, 2012
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12
Question about the encyclopedia of triangle centers
11
How to prove this inequality $\sqrt{\frac{ab+bc+cd+da+ac+bd}{6}}\geq \sqrt[3]{{\frac{abc+bcd+cda+dab}{4}}}$
10
Inequality. $\sqrt{\frac{11a}{5a+6b}}+\sqrt{\frac{11b}{5b+6c}}+\sqrt{\frac{11c}{5c+6a}} \leq 3$
10
A difficult symmetric inequality
7
How do you calculate the modulo of a high-raised number?