New posts in modules

Are those two ways to relate Extensions to Ext equivalent?

When does a torsion $\mathbb{Z}_p$-module have unique maximal submodule?

Rank-nullity theorem for free $\mathbb Z$-modules

Writing an explicit map and making a vector space defined over field $F$ into a $F[x ,y]$-module

What exactly is an $R$-module?

Question on $(2, 1+\sqrt{-5})$ as a submodule of $\mathbb{Z}[\sqrt{-5}]$.

Motivation behind the definition of localization

Origin of the terminology projective module

Ring of polynomials as a module over symmetric polynomials

What is the importance of modules in algebraic geometry?

Motivation behind the definition of flat module

Elementary proof that if $A$ is a matrix map from $\mathbb{Z}^m$ to $\mathbb Z^n$, then the map is surjective iff the gcd of maximal minors is $1$

Show that $M[x] \cong A[x] \otimes_{A} M.$

Proof that the map Hom$_R(R,M)\rightarrow M$ given by $f\mapsto f(1)$ is an isomorphism of $R$-modules

Computing $\mathrm{Hom}(\mathbb Z_n,\mathbb Z_m)$ as $\mathbb Z$-module

When can we say elements of tensor product are equal to $0$?

Vector Spaces: Understanding the basics

Localization and Field [duplicate]

What does a zero tensor product imply?

Determining the presentation matrix for a module