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Mathematics
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Math Gems

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 5 years, 11 months
  • 2,574 profile views
  • Last seen Dec 17 '14 at 14:56

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Top Posts (622) All Questions Answers | Votes Newest

45 Formal proof for $(-1) \times (-1) = 1$ Feb 15 '13
36 How did Euler prove the Mersenne number $2^{31}-1$ is a prime so early in history? Mar 22 '13
33 Why is every answer of $5^k - 2^k$ divisible by 3? Apr 25 '13
29 How to Prove the divisibility rule for $3$ Apr 28 '13
28 If $a^3 =a$ for all $a$ in a ring $R$, then $R$ is commutative. Jan 31 '13
26 Polynomial: $p(x) = p(x+3)$. Mar 24 '13
26 Where does the word “torsion” in algebra come from? Feb 11 '13
25 In a group we have $abc=cba$. Is it abelian? Feb 10 '13
22 Commutative property of ring addition Mar 30 '13
19 Why don't we study algebraic objects with more than two operations? Apr 4 '13
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