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Mathematics
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dytin
  • Member for 6 years, 3 months
  • Last seen more than 2 years ago
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4
Proving that $GF(p^n)$ contains a unique subfield isomorphic to $GF(p^m)$ if and only if $m$ is a divisor of $n$.
Sep 28, 2018
3
Solving explicitly or by induction: $0 \leq 2^{(n/2+10)}-2\pi n^{(3/2)}$
May 29, 2018
3
Solving $3^n \frac{\pi^{n/2}}{(n/2)!}(1+e^{-\pi}) 2^{-\frac{3n}{2}} \le 2^{-n/2+8}$
Jul 31, 2018
2
Finding normal subgroups of G given a homomorphism from $G$ onto $Z_6 \oplus Z_2$ with $|Ker\phi|=5$
Apr 1, 2018
2
Write $(12)(13)(14)$ in the form $\alpha(12)$
Apr 17, 2018
1
How many homomorphisms are there from $G$ to $H \oplus H$?
Apr 3, 2018
1
Prove $\langle k \rangle \big/ \langle n\rangle$ is isomorphic to $\mathbb{Z}_{(n/k)}$.
Apr 18, 2018
1
What does it mean to mod a vector by a set of points?
May 17, 2018
1
Solving: $\int_{-\infty}^{+\infty}e^{-2i\pi xy-\pi x^2/r^2}dx$ [duplicate]
Jun 15, 2018
1
Writing $(m+2)^n-(m-2)^n$ in summation notation.
Aug 9, 2018