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equivalence_of_categories [2014/11/01 17:55] nikolaj |
equivalence_of_categories [2014/12/04 22:34] nikolaj |
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=== Elaboration === | === Elaboration === | ||
Here $Id_{\bf C}$ denotes the [[identity functor]] on ${\bf C}$. | Here $Id_{\bf C}$ denotes the [[identity functor]] on ${\bf C}$. | ||
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- | === In words === | ||
- | Two categories are equivalent, if there is are functors $F,G$ mediating between them, which don't deform them too much: They are tame enough so that their composite deformations can be repaired back to unity. | ||
=== Motivation === | === Motivation === | ||
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==== Parents ==== | ==== Parents ==== | ||
=== Context === | === Context === | ||
- | [[Category]] | + | [[Categories]] |
=== Requirements === | === Requirements === | ||
[[Natural isomorphism]], [[Identity functor]] | [[Natural isomorphism]], [[Identity functor]] |