An exercise of commutative algebra.
65873
A proof for Atiyah-Macdonald Exercise I.21.iii
16023
Are associates unit multiples in a commutative ring with $1$?
88307
Commutative property of ring addition
67990
Commutativity of matrix and its transpose
1531
Exercise from Geometry of algebraic curves by Arbarello, Cornalba, Griffiths, Harris
157236
Tensor product of modules.
4790
Generators of a finitely generated free module over a commutative ring
105363
$\mathbb Z^n/\langle (a,...,a) \rangle \cong \mathbb Z^{n-1} \oplus \mathbb Z/\langle a \rangle$
27766
Comaximal ideals in a commutative ring
105913
Calculations in quotient rings
21610
The monoid of fractions associated with the submonoid of cancellable elements of a commutative monoid E
92822
Finite number of elements generating the unit ideal of a commutative ring
24698
Reference request: introduction to commutative algebra
110984
Ideals and prime ideals in a commutative ring.
126331
Associative ring with identity, inverses, divisors of zero and Artinianity
37393
$R$ is commutative, $I$,$J$ are ideals, $I+J=R$, then $IJ=I\cap J$
126094
Hartshorne Algebraic Geometry Exercise II.2.16.