Mathematics
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Alex
  • Member for 9 years, 6 months
  • Last seen more than a month ago
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All Questions Answers
Score Newest
question
14
Can we arrange $\{1,...,16\}$ in $4\times 4$-grid so {products of rows} = {products of columns}?
Jan 22, 2020
answer
8
Polynomial of $3\times 3$ matrix with $\operatorname{tr}(A)=\operatorname{tr}(A^2)=0$ and $\det(A)=1$
Dec 31, 2015
answer
8
How do I find the roots of this polynomial of degree $4$?
Dec 30, 2015
question
7
If $K\cap\Bbb Q^{\text{cycl}}=\Bbb Q(\zeta_m)$ and $K/\Bbb Q$ Galois, then $\text{Gal}(K(\zeta_n)/K)\cong\text{Gal}(\Bbb Q(\zeta_n)/\Bbb Q(\zeta_m))$
Apr 14, 2016
answer
5
Find a relation between the sum of $100$ positive numbers and the sum of their pairwise products
Dec 31, 2015
answer
4
Why an affine algebraic plane curve is the zero locus of exactly one polynomial
Mar 3, 2016
answer
4
Dimension of the eigenspace
Mar 4, 2016
question
4
Example of field's normal closure that's not Abelian?
Jul 22, 2016
question
3
Which primes ramify when adjoining roots of a unit?
Dec 24, 2015
question
3
How are unramified extensions of number fields formed?
Jan 7, 2016
Top Meta posts
4
3
6
Why does auto-numbering take over my numbering?
6
What is the appropriate action when a user edits a post to change its meaning?
5
Where did my question go?
Top network posts
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22
Denied entry to Canada. Will this history deny me entry to other countries?
19
What does grep do when it's not running the CPU?
18
Overstaying Ukrainian visa due to Coronavirus
14
A Terms of Service update restricting companies that scrape your profile information without your permission
13
What is unquoted `PRIu32` in printf in C?

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