Prove that $K$ is isomorphic to a subfield of the ring of $n\times n$ matrix over $F$
13606
Prove that $K$ is isomorphic to a subfield of the ring of $n\times n$ matrices over $F$.
91947
Proof of $ f:I_n \rightarrow I_m \Rightarrow n = m$
102371
Proving that two vector spaces of equal dimension are isomorphic
108044
Isomorphic extensions of $\mathbb Z_3$ by $\mathbb Z_3 \times \mathbb Z_3$ which are not equivalent
141843
n-dimensional vector space isomorphic to the n-th product of a field as abelian groups
78263
Prove $GL_n(\Bbb{R})/SL_n(\Bbb{R}) \cong \Bbb{R}^\times$
120035
Pattern in Isomorphisms between $\mathbb Z_m \times \mathbb Z_n$ and $\mathbb Z_{mn}$
70658
Isomorphism between quotient modules
38687
Isomorphism of a product $C_n \times C_m$ of cyclic groups with the cyclic group $C_{mn}$
86174
Finding an isomorphism between these two finite fields
83001
Easier way to show $(\mathbb{Z}/(n))[x]$ and $\mathbb{Z}[x] / (n)$ are isomorphic
55393
Existence of a group isomorphism between $(\mathbb K,+)$ and $(\mathbb K^\times,\cdot)$
120968
Isomorphism of stabilizer over $S_n$ to $S_{n-1}$
107821
The ring of integers of $\mathbf{Q}[i]$
48291
Proof that $\mathrm{ker}(f^*) = \mathrm{im}(f)^{\perp} $
85752
Show that $M=\frac{\mathbb{Z}^3}{\langle (3,3,1),(2,2,2)\rangle}$ is isomorphic to $\mathbb{Z} \oplus \mathbb{Z}_4$ as $\mathbb{Z}$-modules
34990
Ring homomorphism defined on a field