List of Abstract Algebra Topics - Module Theory

Module Theory

General
  • Module (mathematics)
  • Bimodule
  • Annihilator (ring theory)
Structure
  • Submodule
    • Pure submodule
  • Module homomorphism
    • Essential submodule
    • Superfluous submodule
    • Singular submodule
  • Socle of a module
  • Radical of a module
Constructions
  • Free module
  • Quotient module
  • Direct sum, Direct product of modules
  • Direct limit, Inverse limit
  • Localization of a module
  • Completion (ring theory)
Types
  • Simple module, Semisimple module
  • Indecomposable module
  • Artinian module, Noetherian module
  • Homological types:
    • Projective module
      • Projective cover
      • Swan's theorem
      • Quillen–Suslin theorem
    • Injective module
      • Injective hull
    • Flat module
      • Flat cover
  • Coherent module
  • Finitely-generated module
  • Finitely-presented module
  • Finitely related module
  • Algebraically compact module
  • Reflexive module
Concepts and theorems
  • Composition series
    • Length of a module
  • Structure theorem for finitely generated modules over a principal ideal domain
  • Homological dimension
    • Projective dimension
    • Injective dimension
    • Flat dimension
    • Global dimension
    • Weak global dimension
    • Cohomological dimension
  • Krull dimension
  • Regular sequence (algebra), depth (algebra)
  • Fitting lemma
  • Schur's lemma
  • Nakayama's lemma
  • Krull–Schmidt theorem
  • Steinitz exchange lemma
  • Jordan-Holder Theorem
  • Artin–Rees lemma
  • Schanuel's lemma
  • Morita equivalence
    • Progenerator

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