scientific article

zbMath0521.54034MaRDI QIDQ3670168

Roman Wegrzyk

Publication date: 1982

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

characterization and extension of continuous solutions of functional equation with multi-valued functionscontinuous solutions of functional inequalityexistence of continuous solutions of functional equations of nth order with multi-valued functions

Mathematics Subject Classification ID

Set-valued maps in general topology (54C60) Fixed-point and coincidence theorems (topological aspects) (54H25) Functional equations for functions with more general domains and/or ranges (39B52) Functional inequalities, including subadditivity, convexity, etc. (39B62) Systems of functional equations and inequalities (39B72)

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