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Top Questions
8
votes
Turning an Abelian Group into a Vector Space
linear-algebra
abstract-algebra
vector-spaces
commutative-algebra
modules
asked Aug 30, 2019 at 15:43
math.stackexchange.com
5
votes
Groups with prescribed $\text{C}(x)$, $\text{C}(y)$, $\text{C}(xy)$.
group-theory
asked Jul 19, 2021 at 10:09
math.stackexchange.com
5
votes
Madrid Metro Tarjeta
trains
spain
madrid
asked Mar 8, 2019 at 10:00
travel.stackexchange.com
5
votes
Octahedra with four equilateral faces
geometry
polyhedra
asked Dec 26, 2018 at 13:16
math.stackexchange.com
Top Answers
34
May I call Samuel Johnson a PhD?
academia.stackexchange.com
22
What does it mean to "end up with a Desmond"?
ell.stackexchange.com
17
Does a group of order $400$ always have a subgroup of order $200$?
math.stackexchange.com
15
Cases of plagiarism in mathematics
academia.stackexchange.com
10
Deciphering Work Profession from Spanish death certificate
genealogy.stackexchange.com
9
Example of infinite field with non zero characteristic.
math.stackexchange.com
9
Groups of order $p^3$
math.stackexchange.com
9
Factorize : $P(x)=x^6+x^2+1$
math.stackexchange.com
9
General formula for eigenvectors of a 3x3 matrix
math.stackexchange.com
7
An equality about cyclotomic polynomials
math.stackexchange.com
7
How to formally conclude that $ x^2-(\zeta_9+\zeta^{-1}_9)x+1 $ is irreducible over $\Bbb Q(\zeta_9+\zeta^{-1}_9)$
math.stackexchange.com
7
When every minimal subgroup is contained in the center
math.stackexchange.com
7
Evaluate: $\lim_{n\to \infty}\left(\frac{a+n}{b+n}\right)^n$
math.stackexchange.com
7
Finding polynomial to the power of 2020
math.stackexchange.com
6
Why I can't get a PhD offer?
academia.stackexchange.com
6
Some questions about the successor function
math.stackexchange.com
6
Multivariate Faà di Bruno's formula
math.stackexchange.com
6
A problem from Hardy's_Pure Mathematics on Real variables about Linear equations in 3 variables
math.stackexchange.com
6
Easier way to factor $(m+n)(m-n+1)+2(m+1)$
math.stackexchange.com
6
When the direct and semi-direct products are isomorphic.
math.stackexchange.com
6
Is a subgroup test necessary if proving normality?
math.stackexchange.com
6
Determinant of matrix over $\mathbb{F}_{p}[x]$
math.stackexchange.com
6
Eigen matrices?
math.stackexchange.com
6
Can a real matrix have arbitrary complex eigenvalues?
math.stackexchange.com
6
Polynomial gcd of $x^5+x+1$ and $x^2+1$
math.stackexchange.com
5
Find 2 basis $M=\left\{v_1,v_2,v_3\right\}$ and $N=\left\{w_1,w_2,w_3\right\}$ such that $T_{MN(f)}$
math.stackexchange.com
5
sum of (some) $p$-th roots of unity, $p$ prime
math.stackexchange.com
5
Finding Subgroups Of $S_{15}$
math.stackexchange.com
5
$\mathbb{Z} \times \mathbb{Z}$ and application of isomorphism theorems
math.stackexchange.com
5
No group has $\mathbf{N}_5$ as its lattice of subgroups
math.stackexchange.com
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