Baer criterion

GPTKB entity

Statements (13)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:appliesTo modules
injective modules
gptkbp:describes injectivity of modules
gptkbp:field ring theory
https://www.w3.org/2000/01/rdf-schema#label Baer criterion
gptkbp:introducedIn 1940s
gptkbp:namedAfter gptkb:Reinhold_Baer
gptkbp:sentence A module M is injective if and only if every homomorphism from an ideal of the ring to M extends to a homomorphism from the ring to M.
gptkbp:usedIn homological algebra
module theory
gptkbp:bfsParent gptkb:Reinhold_Baer
gptkbp:bfsLayer 6