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GGG
  • Member for 4 years, 5 months
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3 votes
1 answer
63 views

Sub-fields of $\mathbb{Q}(a)$ ,$a=\sqrt{4+\sqrt{15}}$ using Galois theory.

3 votes
1 answer
54 views

Understanding Representation theory and group actions

3 votes
1 answer
160 views

Order of groups and dimensions of representations [closed]

2 votes
1 answer
725 views

Finding pdf of $Y=\min\{X_1,X_2,...,X_n\}$

2 votes
1 answer
60 views

Limit $\lim_{n\rightarrow \infty} \delta_n$

2 votes
1 answer
68 views

Eigenvalues of invariant subspaces

1 vote
2 answers
141 views

Find the rank of matrix $A$ if $A^3+A^2+A=0$

1 vote
0 answers
77 views

Is the Galois group of $\mathbb{Q} \left(\sqrt{5}+\sqrt{7}+i \right)$ isomorphic to $\mathbb{Z}_{2} \times \mathbb{Z}_{2} \times\mathbb{Z}_{2} $?

1 vote
1 answer
47 views

How to find a curve $r(t)=R(u(t),v(t))$ ,where $R: \mathbb{R}^2\rightarrow \mathbb{R}^3$ a paraboloid without knowing $u(t),v(t)$

0 votes
0 answers
27 views

$g^{(n)}(b)=(11+13i)^nf^{(n)}(a-b)\cos(n!|f^{(n)}(a+b)|^n)$ using Cauchy's integral formula

0 votes
0 answers
43 views

$\int_{[x,+\infty]}^{}f\,d\lambda\to 0 \,\,\, ,as\,\,\, x\to +\infty$

0 votes
2 answers
38 views

propositional logic syntax using different symbols

0 votes
1 answer
203 views

How can I show that a matrix A is diagonalizable?

0 votes
0 answers
30 views

For every $n\geq 3$ ,exists $g_n(x) \in \mathbb{Z}[x]$ of degree 2 : $A^n=g_n(A)$

0 votes
1 answer
56 views

If $c \in \mathbb{Q}(\zeta)$ ,where $\zeta=\zeta_{14}$ is a constructable number ,then $c \in \mathbb{Q}$?

0 votes
1 answer
51 views

Show that for every $n$-primary root of unity that ${\rm Gal}(K(\zeta),\Bbb Q)$ is solvable.