Dhar, Sougata; Lyons, Jeffrey W.; Neugebauer, Jeffrey T. Existence of positive solutions of a Hammerstein integral equation using the layered compression-expansion fixed point theorem. (English) Zbl 1490.45005 Dyn. Contin. Discrete Impuls. Syst., Ser. A, Math. Anal. 29, No. 2, 139-151 (2022). MSC: 45G10 45M20 47N20 PDFBibTeX XMLCite \textit{S. Dhar} et al., Dyn. Contin. Discrete Impuls. Syst., Ser. A, Math. Anal. 29, No. 2, 139--151 (2022; Zbl 1490.45005) Full Text: arXiv Link
Avery, Richard I.; Graef, John R.; Liu, Xueyan Compression fixed point theorems of operator type. (English) Zbl 1342.47070 J. Fixed Point Theory Appl. 17, No. 1, 83-97 (2015). Reviewer: Sergei Kornev (Voronezh) MSC: 47H10 34B15 PDFBibTeX XMLCite \textit{R. I. Avery} et al., J. Fixed Point Theory Appl. 17, No. 1, 83--97 (2015; Zbl 1342.47070) Full Text: DOI