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Mathematics
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BrauerManinobstruction
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Score Newest
question
14
Cannot become ring because distribution law does not hold
Mar 21, 2022
question
7
Why Jacobson radical is 'radical'?
Dec 1, 2020
answer
6
If $K/F$ is a Galois extension and $[E:F]=2$, where $F\subset E\subset K$, is it true that $E/F$ is a Galois extension?
May 8, 2022
question
5
Intermediate field of $\mathbb F_9(x)/$ $\mathbb F_3(x^2)$.
Jan 19, 2021
question
5
The splitting field of polynomial over $Z/2Z$
Jan 28, 2021
question
5
$\lim_{n \to \infty} x_n = 0$ and $\lim_{n \to \infty} f(x_n) = a$
Jul 3, 2020
question
5
Eisenstein criterion and Newton polygon
Dec 9, 2021
question
5
When $\mathbb{Q}_p(p^{1/n})/\mathbb{Q}_p$ is Galois?
Sep 22, 2021
question
5
Group law of elliptic curve under transformation
Mar 10, 2021
question
5
number of rational points of hyper elliptic curve $y^5=-x^2+x$ over $\Bbb{F}_{121}$
Mar 10
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7
Mistake in Silverman's book in proof of Neron-Ogg-Shafarevich criterion?
5
Generalization of $j(E) \in \overline { \Bbb{Z}}$ to abelian varieties of arbitrary dimension

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