J Austral Math Soc Ser A 54 pp204--212, 1993.
(Received 1 November 1990)
Crossed products of C*-algebras by *-endomorphisms are defined in terms of a universal property for covariant representations implemented by families of isometries and some elementary property of covariant representations and crossed products are obtained.
1991 AMS Subject Classification: 46L40, 46L05
Last Modified: Mon Feb 3 9:46:12 2003