Finite Boolean ring with $1 \neq 0$ is isomorphic to $\mathbb{Z}_2\times \mathbb{Z}_2 \times \dots \times \mathbb{Z}_2$
93474
A Finite Boolean Ring is Generated by Finitely Many Copies of $\mathbb{Z} / 2 \mathbb{Z}$
53331
$\mathbb{Q}(\sqrt2, \sqrt3)$ is not isomorphic to $\mathbb{Q}(\sqrt[4]2)$
116594
Finite fields are isomorphic
78118
Algebraically, why is $\mathbb{Z}[i]/(i + 1)$ isomorphic to $\mathbb{Z}_{2}$?
157863
A finite pseudo-ring such that $ab^2=b$ for some $(a,b)\in A$
100439
Proving that a Galois group $Gal(E/Q)$ is isomorphic to $\mathbb{F}_p^\times$
40321
$\operatorname{Aut}(\mathbb Z_n)$ is isomorphic to $U_n$.
9794
Quotient ring of Gaussian integers $\mathbb{Z}[i]/(a+bi)$ when $a$ and $b$ are NOT coprime
157585
Structure theorem of finite rings
81238
Is $O(2)$ really not isomorphic to $SO(2)\times \{-1,1\}$?
16507
Is $\mathbb{Z}= \{\dots -3, -2, -1, 0 ,1 ,2 , 3, \dots \}$ countable?
30753
Showing there is no ring whose additive group is isomorphic to $\mathbb{Q}/\mathbb{Z}$
39576
Quotient ring being isomorphic to the initial ring
7938
Number of Homomorphisms from $\Bbb{Z}_m$ to $\Bbb{Z}_n$
73652
Exhibiting an isomorphism between two finite fields
148550
Units in quotient ring of $\mathbb Z[X]$
147332
A finite von Neumann regular ring is unital and has $ab = 1$ if $ba = 1$