Appell, Jürgen; Pera, M. Patrizia Noncompactness principles in nonlinear operator approximation theory. (English) Zbl 0498.47024 Pac. J. Math. 115, 13-31 (1984). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 47H09 Contraction-type mappings, nonexpansive mappings, \(A\)-proper mappings, etc. 47H10 Fixed-point theorems 34G20 Nonlinear differential equations in abstract spaces 47J05 Equations involving nonlinear operators (general) Keywords:measure of discrete noncompactness; nonlinear operator approximation; noncompact convergence; condensing operators; differential equations in Banach spaces; approximate solution of nonlinear equations; noncompact operators; lack of discrete compactness Citations:Zbl 0466.65036; Zbl 0232.47067 PDFBibTeX XMLCite \textit{J. Appell} and \textit{M. P. Pera}, Pac. J. Math. 115, 13--31 (1984; Zbl 0498.47024) Full Text: DOI