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Alexey Ustinov

Solving hard problems by easy methods

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