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Akhmerov, R. R.; Kamenskij, M. I.; Potapov, A. S.; Sadovskij, B. N.

Condensing operators. (English) Zbl 0477.47032

J. Sov. Math. 18, 551-592 (1982).
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Cited in 5 Documents

MSC:

47H09 Contraction-type mappings, nonexpansive mappings, \(A\)-proper mappings, etc.
47H10 Fixed-point theorems
47J05 Equations involving nonlinear operators (general)
34C25 Periodic solutions to ordinary differential equations

Keywords:

measure of noncompactness; condensing operator; degree theory; fixed point index; rotation; retarded differential equation

Citations:

Zbl 0443.47056
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Full Text: DOI

References:

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