International Journal of Mathematics and Mathematical Sciences
Volume 2004 (2004), Issue 21, Pages 1077-1096
doi:10.1155/S0161171204307155
Derivations of quasi *-algebras
1Dipartimento di Matematica e Applicazioni, Facoltà d' Ingegneria, Università di Palermo, Viale delle Scienze, Palermo 90128, Italy
2Department of Applied Mathematics, Fukuoka University, Fukuoka 814-80, Japan
3Dipartimento di Matematica e Applicazioni, Università di Palermo, Via Archirafi 34, Palermo 90123, Italy
Received 17 July 2003
Copyright © 2004 F. Bagarello et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The spatiality of derivations of quasi *-algebras is
investigated by means of representation theory. Moreover, in view
of physical applications, the spatiality of the limit of a family
of spatial derivations is considered.