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didest
  • Member for 15 years, 1 month
  • Last seen more than a week ago
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45
What are the most attractive Turing undecidable problems in mathematics?
Feb 18, 2011
answer
44
Colloquial catchy statements encoding serious mathematics
Nov 3, 2009
answer
31
Exhibit an explicit bijection between irreducible polynomials over finite fields and Lyndon words.
Oct 22, 2009
answer
16
Theorems with unexpected conclusions
Apr 12, 2010
question
14
Minimum tiling of a rectangle by squares
Nov 2, 2010
answer
10
Which popular games are the most mathematical?
Jun 7, 2011
answer
7
Which popular games are the most mathematical?
Jun 7, 2011
answer
6
Can $N^2$ have only digits 0 and 1, other than $N=10^k$?
Oct 25, 2009
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5
Is the "diagonal" of a regular language always context-free?
Oct 22, 2009
answer
5
Which popular games are the most mathematical?
Jun 7, 2011
Top network posts
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90
Creating playing cards using TikZ
77
Major unsolved problems in theoretical computer science?
35
What videos should everybody watch?
26
Is there a non Turing-complete model of computation whose halting problem is undecidable?
24
Good PostScript viewer for MacOS?