automorphism of $\Bbb{Q_p}$closed
78835
An automorphism of the field of $p$-adic numbers
33455
Question on group homomorphisms involving the standard Z-basis
6171
Isomorphism between $\Bbb{Z}[\sqrt{d}]$ and a quotient of $\Bbb{Z}[X].$
64025
Ring homomorphisms from $\Bbb Q$ into a ring
1026
Ring homomorphism with $\phi(1_R) \neq1_S$
154076
How to show this property of $\mathbb{RP}^{n}$.
145039
Algebraic independence over $\overline{\mathbb Q}$ and over $\mathbb Q$
53432
What is the algebraic closure of $\mathbb F_q$?
41846
$(\mathbb{R}^n,\|\cdot\|_{p})$ is isometrically isomorphic to $(\mathbb{R}^n,\|\cdot\|_{q})$ iff $p=q,$
30192
How far are the $p$-adic numbers from being algebraically closed?
68732
Prove that a semigroup satisfying $a^pb^q=ba$ is commutative
99884
Are $\mathbb{Q}_p$ and $\mathbb{Q}_q$ homeomorphic?
137029
Prove that $\operatorname{Hom}_{\Bbb{Z}}(\Bbb{Q},\Bbb{Z}) = 0$ and show that $\Bbb{Q}$ is not a projective $\Bbb{Z}$-module.
120035
Pattern in Isomorphisms between $\mathbb Z_m \times \mathbb Z_n$ and $\mathbb Z_{mn}$
157597
Homeomorphism between $\mathbb{Q}$ and $\mathbb{Q}(>0)$, and $\mathbb{Q}(\ge 0)$
18343
Counting homomorphisms between $\Bbb Z$ and $\Bbb Z_n$ and also between $\Bbb Z_n$ and $\Bbb Q$
143831
Showing $\mathbb{Q}$ is homeomorphic to $\mathbb{Q}^2$