group theory

# Contents

## Definition

For $g,h\in G$ two elements of a group, their group commutator if

$\left[g,h\right]≔{g}^{-1}{h}^{-1}gh\phantom{\rule{thinmathspace}{0ex}}.$[g,h] \coloneqq g^{-1} h^{-1} g h \,.

Created on August 31, 2012 19:30:24 by Urs Schreiber (89.204.138.231)