Monic and epic implies isomorphism in an abelian category?
122559
Some questions on abelian category
112577
$\hom (M, \coprod_i N_i) \cong \bigoplus_i \hom (M, N_i)$ in abelian categories when $M$ is simple?
45576
A surjective homomorphism between finite free modules of the same rank
72211
Isomorphism involving Eilenberg-Maclane space, Tors.
110808
Isomorphisms preserve cyclic
42552
Localisation is isomorphic to a quotient of polynomial ring
69384
Are the following modules free and/or isomorphic?
25439
f(a) = inverse of a is an isomorphism iff a group G is Abelian
8587
What is an example of two k-algebras that are isomorphic as rings, but not as k-algebras?
83001
Easier way to show $(\mathbb{Z}/(n))[x]$ and $\mathbb{Z}[x] / (n)$ are isomorphic
47630
Endomorphisms of modules satisfying chain conditions and counterexamples.
152678
I've read that abelian categories can naturally be enriched in $\mathbf{Ab}.$ How does this actually work?
115129
Constructing an explicit isomorphism between finite extensions of finite fields
26110
Canonical isomorphism between $\mathfrak{so}(3)$ and $\mathbb R^3$ with vector cross product
29756
Classsifying 1- and 2- dimensional Algebras, up to Isomorphism
61491
Complex Ring Isomorphism
25728
A second isomorphism theorem for action on cosets