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An example concerning fixed points. (English) Zbl 0314.47031


MSC:

47H10 Fixed-point theorems
46C05 Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product)
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References:

[1] Browder, F. E., Non expansive nonlinear operators in a Banach space, Proc. Nat. Acad. Sci. U.S.A., 54, 1041-1044 (1965) · Zbl 0128.35801
[2] Kaniel, S., Construction of a fixed point for contractions in Banach spaces, Israel J. Math., 9, 535-540 (1971) · Zbl 0222.47022
[3] Kirk, W. A., A fixed point theorem for mappings which do not increase distances, Amer. Math. Monthly, 72, 1004-1006 (1965) · Zbl 0141.32402
[4] Kirzbraun, M. D., Über die zusammenziehenden und Lipshitzschen Transformationen, Fund. Math., 22, 77-108 (1934) · Zbl 0009.03904
[5] Krasnoselski, M. A., Two remarks on the method of successive approximation, Uspehi Mat. Nauk, 10, 123-127 (1955) · Zbl 0064.12002
[6] Opial, Z., Weak convergence of the successive approximations for non expansive mappings in Banach spaces, Bull. Amer. Math. Soc., 73, 591-597 (1967) · Zbl 0179.19902
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