Skip to main content
MathOverflow
Alexey Ustinov's user avatar
Alexey Ustinov's user avatar
Alexey Ustinov's user avatar
Alexey Ustinov
  • Member for 15 years
  • Last seen this week
Profile Activity
Stats
13,289
reputation
1.2m
reached
239
answers
48
questions
Communities
View all
About

Solving hard problems by easy methods

Badges
View all badges
7
gold badges
90
silver badges
125
bronze badges
Top tags
View all tags
620
Score
195
Posts
68
Posts %
127
Score
41
Posts
14
Posts %
124
Score
68
Posts
24
Posts %
110
Score
35
Posts
12
Posts %
100
Score
42
Posts
15
Posts %
55
Score
12
Posts
4
Posts %
Top posts
View all questions and answers
54
Most intriguing mathematical epigraphs
Sep 29, 2015
50
Rediscovery of lost mathematics
Jun 28, 2017
49
The Moscow cats feeding problem
Apr 2
45
Examples of unexpected mathematical images
Nov 12, 2016
42
'Important' applications of p-adic numbers outside of algebra (and number theory).
Oct 29, 2013
41
Is there a regular pentagon with a rational point on each edge?
Nov 25, 2023
38
Rediscovery of lost mathematics
Apr 12, 2015
35
Solve in positive integers: $n!=m(m+1)$
Sep 18, 2010
35
Applications of finite continued fractions
Dec 19, 2010
35
"The Two Sheriffs" puzzle
Apr 17, 2015
Top Meta posts
0
2
10
Best of MathOverflow, or papers inspired by MathOverflow
7
Best of MathOverflow, or papers inspired by MathOverflow
Top network posts
View all network posts
10
Two Sheriffs and Eavesdroppers - 2
8
Is there a cryptographic solution for this “dating protocol”?
7
How hard is Self-DLOG?
7
Fundamental unit in the ring of integers $\mathbb Z[\frac{1+\sqrt{141}}{2}]$