411 REFERENCE · Wikibooks
Commutative Algebra/Print version
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Objects and morphisms
Functors, natural transformations, universal arrows
Kernels, cokernels, products, coproducts
Diagram chasing within Abelian categories
Modules, submodules and homomorphisms
Generators and chain conditions
The Cayley–Hamilton theorem and Nakayama's lemma
Direct products, direct sums and the tensor product
Fractions, annihilator
Sequences of modules
Torsion-free, flat, projective and free modules
Basic ideal theory
Nilradical and Jacobson radical
Jacobson rings
The spectrum and the Zariski topology
Noetherian rings
Primary decomposition
Artinian rings
Krull dimension
Valuation rings
Algebras and integral elements
Irreducibility, algebraic sets and varieties
Noether's normalisation lemma
Hilbert's Nullstellensatz