Find all the ring morphisms from $ℤ_{15}$ to $ℤ_3$.
34599
Number of ring homomorphisms from $\mathbb Z_{12}$ to $\mathbb Z_{28}$.
132475
Simple method the show that a group of order 15 is cyclic
75315
How to prove that homomorphism from field to ring is injective or zero?
24247
Ring Inside an Algebraic Field Extension
155445
What kind of ring $R$ makes $\mathcal O(\mathrm{Proj}\,R[x_0,\cdots,x_n])=R$?
121449
An isomorphism from $GL_{2}(\mathbb{F_{2}})$ to $S_{3}$
133612
How many isomorphisms are there from $\Bbb Z_{12}$ to $\Bbb Z_{4} \oplus \Bbb Z_{3}$?
60760
Ring homomorphism and characteristic
92729
Morphism decomposition
25260
Extension of a morphism $k^*\rightarrow X$ to $\mathbb{P}^1\rightarrow \overline{X}$
98587
$\mathbb Z [X] / (X)$ isomorphic to $\mathbb Z[X] / (X+1)$ isomorphic to $\mathbb Z [X] / (X+2015)$
61491
Complex Ring Isomorphism
86922
Ring with 10 elements is isomorphic to $\mathbb{Z}/10 \mathbb{Z} $
153250
Finding the derived group
1425
The Chinese Remainder Theorem for Rings.
12110
How are $2\mathbb{Z}\ncong3\mathbb{Z}$ different as rings?
83115
A set of elements in a reduced unity ring