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feb 1 at 23:53Basic Number Theory [Induction]
aug 24 at 1:41When the Impossible becomes Possible again
jul 24 at 12:26How to show that $\gcd(ab,n)=1$?
dec 16 '11 at 9:20Origin of mathematical use of “orbit”
sep 17 '11 at 3:48Prove that if $p$ is a prime and if $a^2\equiv 1 \bmod p$ then $a \equiv 1 \bmod p$ or $a \equiv -1 \bmod p$
sep 14 '11 at 22:11When functions commute under composition
sep 3 '11 at 2:43Why are rings called rings?
jul 7 '11 at 3:27Finding double root. An easier way?
feb 24 '11 at 8:36Euler's remarkable prime-producing polynomial and quadratic UFDs
feb 24 '11 at 8:31When does the modular law apply to ideals in a commutative ring
dec 19 '10 at 2:57Solving an equation with $e^x$
nov 30 '10 at 20:01What is the name of this kind of polynomial?
oct 22 '10 at 15:25Integral Representation of Infinite series