Mathematics
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WLOG
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Mathematician, software architect

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Score Newest
question
40
How to prove that $\mathbb{Q}[\sqrt{p_1}, \sqrt{p_2}, \ldots,\sqrt{p_n} ] = \mathbb{Q}[\sqrt{p_1}+ \sqrt{p_2}+\cdots + \sqrt{p_n}]$, for $p_i$ prime?
Dec 22, 2011
answer
17
Subgroups of $(\mathbb Z_n,+)$
Jun 7, 2014
question
16
Conjugacy classes of a $p$-group
Jan 14, 2012
question
13
Residue integral: $\int_{- \infty}^{+ \infty} \frac{e^{ax}}{1+e^x} dx$ with $0 \lt a \lt 1$.
Apr 11, 2012
question
11
$x \otimes y - y \otimes x \neq 0$ in $I \otimes_{R} I$
May 17, 2014
question
11
If $0$ is the zero-object $ \Longrightarrow F(0) $ is the zero object when $F$ additive
Jul 8, 2014
question
11
Compact space, locally finite subcover
Jan 1, 2012
question
10
Why do no prime ideals ramify in the extension $\mathbb{Q}(\sqrt{p }, \sqrt{q})/\mathbb{Q}(\sqrt{pq })$?
Jul 11, 2013
question
10
Spectrum of a product of rings isomorphic to the product of the spectra
May 2, 2014
question
9
Finitely many prime ideals $\Rightarrow$ cartesian product of local rings
Jun 14, 2014
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13
What is the meaning of "this [int index]"?

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