Kernel of an evaluation homomorphism $\mathbb{C}[X_1,\dots, X_n] \rightarrow \mathbb{C}$
50037
Proving that kernels of evaluation maps are generated by the $x_i - a_i$
18540
Isomorphism from $\mathbb{C}[G]$ to $\prod_{i=1}^h M_{n_i}(\mathbb{C})$.
89415
Number of homomorphisms from $(\mathbb Q^+ , \,\cdot\,)$ to $(\mathbb Z_n , +)$
61334
Application of Main Homomorphism Theorem
131946
Order of an Element Under a Homomorphism
42552
Localisation is isomorphic to a quotient of polynomial ring
97605
Let $f$ be a surjective homomorphism. Prove that $\ker(f)$ is a maximal ideal
121244
Homomorphisms and automorphisms on polynomial rings
60760
Ring homomorphism and characteristic
88199
The commutator subgroup of a quotient in terms of the commutator subgroup and the kernel
104505
Is every normal subgroup the kernel of some endomorphism?
109080
Is the kernel of a map to a finitely presented module finitely generated?
30178
Homeomorphism $(\mathbb{CP}^1)^m/S_m \overset{\sim}{\to} \mathbb{CP}^m$?
126644
Simple module and homomorphisms
143429
Kernel of ring homomorphism $k[X,Y] \rightarrow k[t^2, t^3]$
57166
Showing that $\Bbb R[x] / \langle x^2 + 1 \rangle$ is isomorphic to $\Bbb C$ question
22297
Normal operator $\Rightarrow$ S invariant implies $S^\perp$ invariant