proof of Gal($\mathbb{Q}^{ab}/\mathbb{Q}$) $\rightarrow$ $\hat{\mathbb{Z}}^×$
42213
Computing $\text{Gal}(\mathbb{Q}^{ab}/\mathbb{Q})$
75828
Compute Galois group of $\mathbb F_q/\mathbb F_p$
157496
Determine the Galois group of $\mathbb{Q}(\sqrt{a+b\sqrt{d}})$
143831
Showing $\mathbb{Q}$ is homeomorphic to $\mathbb{Q}^2$
49768
If Gal(K,Q) is abelian then |Gal(K,Q)|=n
34693
Prove $E^{\mathbb Q}[Y]=E^{\mathbb P}[XY]$ if $E^{\mathbb P}[X]=\mathbb P(X>0)=1$ and $ \mathbb Q(A)=E^{\mathbb Q}[X1_A] $
118310
How to find $\operatorname{Gal}(S/\mathbb{Q})$
115427
Galois group of $\prod_{i=1}^{p-1} (X^2-i)$
92583
Prove that $N(\gamma) = 1$ if, and only if, $\gamma$ is a unit in the ring $\mathbb{Z}[\sqrt{n}]$
137739
Prove that the group isomorphism $\mathbb{Z}^m \cong \mathbb{Z}^n$ implies that $m = n$
145752
Aut $\mathbb Z_p\simeq \mathbb Z_{p-1}$
41035
Mapping that proves $\mathbb{Z} \subset \mathbb{Q}$
139499
The algebraic closure of a finite field and its Galois group
8554
Proof: $\mathrm{adj}(\mathrm{adj}(A)) = (\mathrm{det}(A))^{n-2} \cdot A$ for $A \in \mathbb{R}^{n\times n}$
64130
Prove that $\mathbb{Q}^{\times}$ not isomorphic to $\mathbb{Z}^{n}$
46687
Elements of $GL_{2}(\mathbb{Z})$ of finite order
98816
How to prove that $\{f+g<a\}=\bigcup_{r\in{\Bbb Q}}(\{f<r\}\cap\{g<a-r\})$?