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zeb
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I like puzzles and games.

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question
97
Is it possible to capture a sphere in a knot?
Dec 7, 2009
answer
53
Magic trick based on deep mathematics
Feb 9, 2010
question
52
Why are the characters of the symmetric group integer-valued?
Jan 3, 2010
answer
44
Strange result about convexity
Oct 30, 2021
question
32
Are there any integers which can't be written as a sum of two fourth powers minus a cube?
Jul 16, 2014
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28
"Circular" domination in ${\mathbb R}^4$
Dec 6, 2013
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25
Linear Algebra Problems?
Feb 11, 2010
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23
Five Front Battle
Jan 7, 2010
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20
How to show this symmetric function inequality
Feb 6, 2021
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18
One tetrahedron inside another tetrahedron
Dec 17, 2011
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Magician, assistant, nine dice, and two cups
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Find a straight tunnel
12
A Game of Phones
8
Can you do an in-place reversal of a string on a vanilla turing machine in time $o(n^2)$?
6
How can I efficiently initialize this sparse array in Mathematica?