Enriched category theory
Stable homotopy theory
An ordinary locally small category has for any ordered pair of objects a hom-set —an object in the category $Set$.
For more generally an enriched category over a closed monoidal category , there is – by definition – for all an object that plays the role of the “collection of morphisms” from to
Revised on June 29, 2012 02:04:28
by Urs Schreiber