Reduction modulo homomorphism from Z_m to Z_n
92211
When are $\mathbb Z_m$ and $\mathbb Z_n$ homomorphic?
40490
Birational isomorphism $\mathbb{P}^n\times \mathbb{P}^m\to \mathbb{P}^{n+m}$
141984
Find the number of homomorphisms between $\mathbb{Z}_m$ and $\mathbb{Z}_n$
57283
Extending Homomorphism into Algebraically Closed Field
18018
Proving that $4 \mid m - n$ is an equivalence relation on $\mathbb{Z}$
134858
Abelian Group Homomorphism
45576
A surjective homomorphism between finite free modules of the same rank
5577
If $m$ divides $n$, find a free resolution of $\mathbb{Z}/m$ as a $\mathbb{Z}/n$-module.
102112
Idempotents in $\mathbb Z_n$
57732
Rings of fractions and homomorphisms
32428
Group homomorphisms and which of the following statements are true (NBHM-$2014$)
27670
Group homomorphisms $\mathbb{Q}\to\mathbb{R}$
115129
Constructing an explicit isomorphism between finite extensions of finite fields
17978
Isomorphism classes of $\mathbb{Z}[i]$ modules.
129162
Show there is a surjective homomorphism from $\mathbb{Z}\ast\mathbb{Z}$ onto $C_2\ast C_3$
120035
Pattern in Isomorphisms between $\mathbb Z_m \times \mathbb Z_n$ and $\mathbb Z_{mn}$
18540
Isomorphism from $\mathbb{C}[G]$ to $\prod_{i=1}^h M_{n_i}(\mathbb{C})$.