Mathematics
Math Gems
  • Member for 8 years, 9 months
  • Last seen more than 7 years ago
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2
Requests for Reopen & Undeletion Votes, etc. (volume 10/2012 - 12/2014)
Apr 26 '13
2
Requests for Reopen & Undeletion Votes, etc. (volume 10/2012 - 12/2014)
Apr 26 '13
1
Formatting Sandbox
Feb 17 '13
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Can we do anything to avoid losing Bill D? [closed]
Jan 23 '12
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48
Formal proof for $(-1) \times (-1) = 1$
37
How did Euler prove the Mersenne number $2^{31}-1$ is a prime so early in history?
37
If $a^3 =a$ for all $a$ in a ring $R$, then $R$ is commutative.
34
Where does the word "torsion" in algebra come from?
33
Why is every answer of $5^k - 2^k$ divisible by 3?

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