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Alexey Ustinov's user avatar
Alexey Ustinov's user avatar
Alexey Ustinov
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Solving hard problems by easy methods

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All Questions Answers
Score Newest
question
52
Most intriguing mathematical epigraphs
Sep 29, 2015
answer
50
Rediscovery of lost mathematics
Jun 28, 2017
answer
42
Examples of unexpected mathematical images
Nov 12, 2016
answer
39
'Important' applications of p-adic numbers outside of algebra (and number theory).
Oct 29, 2013
answer
38
Rediscovery of lost mathematics
Apr 12, 2015
question
35
Solve in positive integers: $n!=m(m+1)$
Sep 18, 2010
question
35
"The Two Sheriffs" puzzle
Apr 17, 2015
question
33
Applications of finite continued fractions
Dec 19, 2010
question
32
Is there a regular pentagon with a rational point on each edge?
Nov 25
question
25
The origin of Discrete `Liouville's theorem'
Nov 22, 2013
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Two Sheriffs and Eavesdroppers - 2
8
Is there a cryptographic solution for this “dating protocol”?
7
Fundamental unit in the ring of integers $\mathbb Z[\frac{1+\sqrt{141}}{2}]$
7
How hard is Self-DLOG?

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