Simple $R$-modules are isomorphic
33063
Are all simple left modules over a simple left artinian ring isomorphic?
142699
Is $R/N(R)$ a faithfully flat $R$-module?
29756
Classsifying 1- and 2- dimensional Algebras, up to Isomorphism
97999
Explain these ring isomorphisms
102284
$GL(n,\mathbb R)/SL(n,\mathbb R)$ is isomophic to $\mathbb R^\times$
45270
Surjective endomorphisms of finitely generated modules are isomorphisms
79591
Exact Sequences of Modules and Rank
1026
Ring homomorphism with $\phi(1_R) \neq1_S$
6101
Are $\mathbb{C} \otimes _\mathbb{R} \mathbb{C}$ and $\mathbb{C} \otimes _\mathbb{C} \mathbb{C}$ isomorphic as $\mathbb{R}$-vector spaces?
61491
Complex Ring Isomorphism
48519
Symmetric powers of modules
32172
Homomorphisms of graded modules
6385
Minimal counterexamples of the isomorphism problem for integral group rings
73825
Every $R$-module is a quotient of a free module
47630
Endomorphisms of modules satisfying chain conditions and counterexamples.
12474
Does an injective endomorphism of a finitely-generated free R-module have nonzero determinant?
17978
Isomorphism classes of $\mathbb{Z}[i]$ modules.