Overview

self-inverse


Show Summary Details

Quick Reference

An element of a group, ring, etc. which is its own inverse, i.e. an element a for which a2=e where e is the identity element. So the identity is always a self-inverse element; in transformations any reflection is a self-inverse, and so is a rotation through 180°.

Subjects: Mathematics.


Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.