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Alexey Ustinov

Solving hard problems by easy methods

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Top posts (226) All Questions Answers | Votes Newest

53 Most intriguing mathematical epigraphs Sep 29 '15
34 Solve in positive integers: $n!=m(m+1)$ Sep 18 '10
33 “The Two Sheriffs” puzzle Apr 17 '15
32 'Important' applications of p-adic numbers outside of algebra (and number theory). Oct 29 '13
31 Applications of finite continued fractions Dec 19 '10
31 Rediscovery of lost mathematics Apr 12 '15
27 Rediscovery of lost mathematics Jun 28 '17
25 The origin of Discrete `Liouville's theorem' Nov 22 '13
24 Examples of unexpected mathematical images Nov 12 '16
19 “Gauss trick” vs Karatsuba multiplication Dec 27 '18
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