functor in a sentence

Examples

1. This shows that C _ n is a functor
2. This tells us that the collection of derived functors is a ?-functor.
3. Taking tensor products ( over arbitrary rings ) is always a right exact functor.
4. See also : tangent space to a functor.
5. In those languages that allow functor factory that returns a wrapped memoized function object.
6. It follows that any functor which fails to preserve some limit is not representable.
7. The definition of sheaf cohomology as a derived functor also works on a site.
8. This makes S into a functor from the category of topological spaces into itself.
9. Then a span in a category C is a functor S : ? ?
10. Now suppose that F is a homotopy-invariant, not necessarily excisive functor.