Prove that A is isomorphic to the subring of K[T] generated by $T^2$ and $T^3$
23099
Verifying that the ideal $(x^3-y^2)$ is prime
37953
Primary Decomposition of $\mathbb{R^n}$ under T
81040
proof about commutative operators and T-cyclic vectors
97608
Showing a Ring of endomorphisms is isomorphic to a Ring
26110
Canonical isomorphism between $\mathfrak{so}(3)$ and $\mathbb R^3$ with vector cross product
49242
stab(S) is isomorphic to $ S_k \times S_{n-k} $
36980
Prove the third isomorphism theorem
101861
How do you prove that $tr(B^{T} A )$ is a inner product?
149856
Image of ring homomorphism is a subring
114916
$\mathbb Z_{mn}$ isomorphic to $\mathbb Z_m\times\mathbb Z_n$ whenever $m$ and $n$ are coprime
116594
Finite fields are isomorphic
61732
Prove any group with 3 elements is isomorphic to $\mathbb{Z}_3$
136083
Show that $\sigma\circ\phi : G_1 \to G_3$ is an isomorphism
121449
An isomorphism from $GL_{2}(\mathbb{F_{2}})$ to $S_{3}$
107163
Proof that $S_3$ isomorphic to $D_3$
64130
Prove that $\mathbb{Q}^{\times}$ not isomorphic to $\mathbb{Z}^{n}$
127491
Isometric isomorphism between $R^2$ and $R$