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Mathematics
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BpZ
  • Member for 7 years, 6 months
  • Last seen more than 6 years ago
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question
3
$p$ divides $\sum\limits_{k=1}^{p-1} (k^p)^n $
Mar 4, 2017
question
3
$p$ prime and $d | (p-1)$ then the congruence $x^{d} \equiv 1 \pmod{p}$ has exactly $d$ incongruent solutions
Apr 16, 2017
question
2
$P(n) = n^{ \phi(n)} \prod_{d|n}{(d!/d^d)}^{\mu(n/d)} $ [duplicate]
Mar 4, 2017
question
2
Exercise 2.44 Fulton's Algebraic Curves [closed]
Mar 11, 2018
question
2
Let $I = (X,Y) \subset k[X,Y]$ then $\dim_k(k[X,Y]/I^n) = \frac{n(n+1)}{2}$ [closed]
Mar 11, 2018
question
1
There don't exist $a, b$ positive integers such that $a^2 + b^2$ and $a^2 - b^2$ are perfect squares
May 31, 2017
question
1
Prove that $ax + by = a + c$ has solutions if and only if $ax + by = c$ has solutions
May 31, 2017
question
1
Hausdorff space properties
Sep 30, 2017
question
1
$A$ is a countable set if and only if exist a injective function $h: A \to \mathbb{N} $
Sep 30, 2017
question
1
Compact and closed sets.
Oct 23, 2017