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zeb
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I like puzzles and games.

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question
95
Is it possible to capture a sphere in a knot?
Dec 7, 2009
answer
52
Magic trick based on deep mathematics
Feb 9, 2010
question
51
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
answer
28
"Circular" domination in ${\mathbb R}^4$
Dec 6, 2013
question
25
Linear Algebra Problems?
Feb 11, 2010
question
23
Five Front Battle
Jan 7, 2010
answer
20
How to show this symmetric function inequality
Feb 6, 2021
answer
18
One tetrahedron inside another tetrahedron
Dec 17, 2011
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37
Magician, assistant, nine dice, and two cups
27
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?