Dinatural transformation

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In category theory, a branch of mathematics, a dinatural transformation between two functors

written

is a function that to every object c of C associates an arrow

of X

and satisfies the following coherence property: for every morphism of C the diagram

Dinatural transfo1.png

commutes.[1]

The composition of two dinatural transformations need not be dinatural.

See also[edit]

References[edit]

  1. ^ Mac Lane, Saunders (2013). Categories for the working mathematician. Springer Science & Business Media. p. 218.

External links[edit]