User:Trieu/Books/Abstract algebra 2

Abstract algebra 2

 * Category theory
 * Category of groups
 * Category of abelian groups
 * Category of rings
 * Category of modules
 * Morita equivalence
 * Filtration (mathematics)
 * Exact sequence
 * Functor
 * Zorn's lemma
 * Semigroup
 * Free monoid
 * Green's relations
 * Krohn–Rhodes theory
 * Monoid ring
 * Transformation semigroup
 * Monoid
 * Aperiodic semigroup
 * Monoid (category theory)
 * Monoid factorisation
 * Syntactic monoid