The invertibility of operators and contraction mappings

Authors
Dolezal, V
Citation
V. Dolezal, The invertibility of operators and contraction mappings, CIRC SYST S, 18(2), 1999, pp. 183-187
Citations number
1
Categorie Soggetti
Eletrical & Eletronics Engineeing
Journal title
CIRCUITS SYSTEMS AND SIGNAL PROCESSING
ISSN journal
0278081X → ACNP
Volume
18
Issue
2
Year of publication
1999
Pages
183 - 187
Database
ISI
SICI code
0278-081X(1999)18:2<183:TIOOAC>2.0.ZU;2-O
Abstract
Necessary and sufficient conditions for the invertibility of a (not necessa rily linear) operator N between normed linear spaces are given. It is shown that N is invertible precisely if a certain operator associated with N is a contraction.