Image of homomorphism from ideal is ideal
129759
Must an ideal contain the kernel for its image to be an ideal?
126644
Simple module and homomorphisms
143429
Kernel of ring homomorphism $k[X,Y] \rightarrow k[t^2, t^3]$
111114
Prove that an ideal in $k[x,y]$ is a prime ideal
82559
Showing two ring homomorphisms that agree on the integers must agree on the rationals
17247
Localisation and prime ideals
158282
Finite order of an element $f(g)$ of a homomorphism $f$
30714
A question on ring homomorphisms and maximal ideals.
133660
When can a homomorphism be determined entirely by its generators
90192
Kernel and Image of a group homomorphism
106550
The bijection between homogeneous prime ideals of $S_f$ and prime ideals of $(S_f)_0$
49875
Question on Comaximal Ideals
34990
Ring homomorphism defined on a field
154847
homomorphism from $S_3$ to $\mathbb Z/3\mathbb Z$
21604
A complete ring with respect to an ideal
29126
Maximal ideal in the ring of continuous functions from $\mathbb{R} \to \mathbb{R}$
157378
On an injective ring homomorphism from the ring of continuous functions to the ring of differentiable functions