On multi-valued functions.
Rade Dacic (1969)
Publications de l'Institut Mathématique [Elektronische Ressource]
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Displaying similar documents to “Multi-valued solutions of a functional equation”
On multi-valued functions.
Continuity of the superposition of set-valued functions.
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Journal of Applied Analysis
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On operator-valued solutions of d'Alembert's functional equation, I
J. Kisyński (1971)
Colloquium Mathematicae
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Fixed points for generalized multi-valued contractions
Lj. B. Ćirić (1972)
Matematički Vesnik
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Fixed-point theorems for multi-valued functions and their applications to functional equations
Roman Węgrzyk
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IntroductionIn this paper we present some fixed point theorems for multi-valued functions (m.v. functions for short), generalizing well-known results (Chapter 2).Next, in Chapter 3, we consider continuous solutions of equation (3.1). First we characterize the continuous solutions of this equation, and then we give some theorems on extending continuous solutions.Chapter 4 contains theorems on the existence of continuous solutions when this equation is of order n, i.e. if the set of indices...
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Nikodem, Kazimierz, Popa, Dorian (2008)
Banach Journal of Mathematical Analysis [electronic only]
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Z. Krzeszowiak (1973)
Annales Polonici Mathematici
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