Definition:Involution (Mapping)

Definition
An involution is a mapping which is its own inverse.

Also known as
An involution is also known as an involutive mapping or an involutive function.

An involutive mapping can also be found described as self-inverse.

Also see

 * Equivalence of Definitions of Involutive Mapping
 * Mapping is Involution iff Bijective and Symmetric