decategorification

English

Etymology

From de- +‎ categorification.

Noun

decategorification (plural decategorifications)

1. (mathematics) The reverse process of categorification: The mapping of a category theoretic category to a set by using a systematic process in which isomorphic objects in a category are identified as equal.
   • 2013, Octavian Iordache, Polytope Projects, →ISBN, page 6:

     For the n-levels systems approach we may associate categorification with increasing the level and decategorification with decreasing the level of complexity.