Open AccessA Semilinear Furi-Martelli-Vignoli Spectrum
Author(s) -
Jürgen Appell,
Espedito De Pascale,
Alfonso Vignoli
Publication year - 2001
Publication title -
zeitschrift für analysis und ihre anwendungen
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.567
H-Index - 35
eISSN - 1661-4534
pISSN - 0232-2064
DOI - 10.4171/zaa/1031
Subject(s) - spectrum (functional analysis) , mathematics , computer science , physics , quantum mechanics
In this note we extend a spectrum which was introduced by Furi, Martelli and the third author in 1978 for continuous nonlinear maps F to a certain new spectrum for a “semilinear pair” (L, F ), with L being a linear Fredholm operator of index zero, and F being nonlinear and continuous.
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