hom-set

التعريفات والمعاني

== English == === Etymology === Short for "homomorphism set", because in some categories the morphisms are homomorphisms. === Noun === hom-set (plural hom-sets) (category theory) The set or collection of all morphisms from A to B for some given ordered pair (A, B) of objects from some given category. ==== Usage notes ==== A hom-set may be denoted as C ( X , Y ) {\displaystyle {\mathcal {C}}(X,Y)} for objects X and Y in a category C {\displaystyle {\mathcal {C}}} . It may also be denoted as Hom C ( X , Y ) {\displaystyle {\text{Hom}}_{\mathcal {C}}(X,Y)} ; or, letting C {\displaystyle {\mathcal {C}}} be implicit, simply as Hom ( X , Y ) {\displaystyle {\text{Hom}}(X,Y)} . ==== Synonyms ==== morphism set === Anagrams === Thomes