Kernel (category theory)

GPTKB entity

Statements (20)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
Category theory concept
gptkbp:appearsIn Abelian category
Additive category
gptkbp:definedIn Morphism
gptkbp:field Category theory
gptkbp:formalDefinition Given a morphism f:X→Y, a kernel is a morphism k:K→X such that f∘k=0 and for any morphism k':K'→X with f∘k'=0, there exists a unique u:K'→K with k∘u=k'.
gptkbp:generalizes gptkb:Kernel_(algebra)
gptkbp:hasDual Cokernel (category theory)
gptkbp:hasProperty Universal property
gptkbp:hasWikipediaPage https://en.wikipedia.org/wiki/Kernel_(category_theory)
https://www.w3.org/2000/01/rdf-schema#label Kernel (category theory)
gptkbp:isFunctorial Yes
gptkbp:relatedTo Abelian category
Morphism
Cokernel (category theory)
gptkbp:usedIn Homological algebra
Exact sequence
gptkbp:bfsParent gptkb:Kernel_(algebra)
gptkbp:bfsLayer 8