Pseudofunctor
In mathematics, a pseudofunctor f is a mapping between categories that is just like a functor except that 
and 
do not hold as exact equalities but only up to coherent isomorphisms.
The Grothendieck construction associates to a pseudofunctor a fibered category.
See also
- lax functor
- prestack (an example of pseudofunctor)
References
External links
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