SPECTRAL CHARACTERIZATIONS OF CENTRAL ELEMENTS IN BANACH-ALGEBRAS

Authors
BRESAR M SEMRL P
Citation
M. Bresar et P. Semrl, SPECTRAL CHARACTERIZATIONS OF CENTRAL ELEMENTS IN BANACH-ALGEBRAS, Studia Mathematica, 120(1), 1996, pp. 47-52
Citations number
9
Categorie Soggetti
Mathematics, General",Mathematics
Journal title
Studia Mathematica → ACNP
ISSN journal
00393223
Volume
120
Issue
1
Year of publication
1996
Pages
47 - 52
Database
ISI
SICI code
0039-3223(1996)120:1<47:SCOCEI>2.0.ZU;2-X
Abstract
Let A be a complex unital Banach algebra. We characterize elements bel onging to Gamma(A), the set of elements central module the radical. Ou r result extends and unifies several known characterizations of elemen ts in Gamma(A).