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Brian Hopkins's user avatar
Brian Hopkins's user avatar
Brian Hopkins
  • Member for 13 years, 7 months
  • Last seen this week
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Top posts
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answer
50
Two-colouring the two-sphere
Aug 23, 2023
answer
49
Is there winning strategy in Tetris ? What if Young diagrams are falling?
Aug 26, 2017
answer
25
When do binomial coefficients sum to a power of 2?
Jan 3, 2022
question
23
Fibonacci, compositions, history
Apr 30, 2011
answer
22
The use of computers leading to major mathematical advances II
Jun 30, 2021
answer
15
Conway's lesser-known results
Apr 14, 2020
answer
14
Counterexamples against all odds
Aug 8, 2020
answer
11
A bijection between sets of Young tableaux of two kinds
Sep 14, 2015
answer
10
There is a 3-connected 5-regular simple $n$-vertex planar graph iff $n$ satisfies....?
Jul 21, 2020
answer
10
Sidon sets with k >1
Aug 28, 2021
Top Meta posts
2
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12
How to recommend that a question is better suited for another SE site that isn't listed in the close reasons?
8
Reviving questions from the PROMYS application?
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23
Easier way to make permutation diagrams?
14
Macro for drawing stacks of colored horizontal rectangles
13
Fibonacci, compositions, history
13
Did Thomas Aquinas's correspondent James of Tonengo become bishop of Vercelli?
9
How often should an editor ask for reviews from the same referee?