User Alexey Ustinov

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Alexey Ustinov top 6% this year

Solving hard problems by easy methods

165 answers

38 questions

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53 Most intriguing mathematical epigraphs Sep 29 '15

34 Solve in positive integers: $n!=m(m+1)$ Sep 18 '10

32 “The Two Sheriffs” puzzle Apr 17 '15

30 Applications of finite continued fractions Dec 19 '10

30 Rediscovery of lost mathematics Apr 12 '15

22 The origin of Discrete `Liouville's theorem' Nov 22 '13

22 Rediscovery of lost mathematics Jun 28 '17

19 Examples of unexpected mathematical images Nov 12 '16

18 'Important' applications of p-adic numbers outside of algebra (and number theory). Oct 29 '13

16 Open problems in Euclidean geometry? Apr 4 '15

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