Mathematics
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Numbersandsoon's user avatar
Numbersandsoon
  • Member for 10 years, 10 months
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All Questions Answers
Score Newest
question
17
Daily life as a math professor [closed]
Jan 23, 2014
question
16
Prove that $\phi(n) \geq \sqrt{n}/2$
Oct 16, 2013
question
14
A typical $L^p$ function does not have a well-defined trace on the boundary
Mar 17, 2013
answer
13
Detailed proof that no essential singularity at infinity implies polynomial
Oct 19, 2013
question
12
Infinitely many primes of the form $8n+1$
Dec 11, 2013
question
10
$p=2^n+1$. Prove that every quadratic nonresidue modulo $p$ is a primitive root modulo $p$
Nov 19, 2013
question
9
Prove that $a^{(p-1)/2} \equiv 1$ (mod p) and $a^{(p-1)/2} \equiv -1 \pmod p$
Sep 23, 2013
question
8
Prove that the normalisation of $A=k[X,Y]/(Y^2-X^2-X^3)$ is $k[t]$ where $t=Y/X$ (Reid, Exercise 4.5)
Jul 13, 2014
question
8
$\left( \frac{1 \cdot 2}{p} \right) + \left( \frac{2 \cdot 3}{p} \right) + \cdots + \left( \frac{(p-2)(p-1)}{p} \right) = -1$
Nov 5, 2013
question
7
Liouville function and perfect square
Oct 6, 2013

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