Definition:Commutator of Group Elements/Definition 1
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Definition
Let $\struct {G, \circ}$ be a group.
Let $g, h \in G$.
The commutator of $g$ and $h$ is the element of $G$ defined and denoted:
- $\sqbrk {g, h} := g^{-1} \circ h^{-1} \circ g \circ h$
Also see
- Results about commutators of group elements can be found here.
Sources
- 1978: Thomas A. Whitelaw: An Introduction to Abstract Algebra ... (previous) ... (next): Chapter $8$: Homomorphisms, Normal Subgroups and Quotient Groups: Exercise $15$
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): commutator: 1.
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): commutator
- 2021: Richard Earl and James Nicholson: The Concise Oxford Dictionary of Mathematics (6th ed.) ... (previous) ... (next): commutator