A difficulty in understanding the universal property of modules.
72295
A difficulty in understanding the proof of distributivity of tensor products over direct sums for modules.
74445
Noetherian and Artinian modules
156178
Do counit-unit adjunctions have the expected universal properties?
80302
A module $M$ whose submodules and factor modules are semisimple but not semisimple itself
145933
Localization commutes with Hom for finitely-generated modules
109649
idempotents acting as local identities
26244
Pathologies in module theory
117211
Infinite linear independent family in a finitely generated $A$-module
52966
Rings, ideals and units-proof
11573
Rings and some of their properties
75641
Is there a (f.g., free) module isomorphic to a quotient of itself?
82788
Direct summand of a free module
109039
Does this "extension property" for polynomial rings satisfy a universal property?
25609
Multiplicity of G-module
28518
Hom of finitely generated modules over a noetherian ring
93176
Projectivity of a module
23392
The annihilator of a module is an ideal