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On expanding iteration semigroups of set-valued functions. (English) Zbl 1092.39020
Summary: We present some conditions under which a certain family of set valued functions is an expanding iteration semigroup, that is, in fact, it is an iteration semigroup.

MSC:
39B12 Iteration theory, iterative and composite equations
39B52 Functional equations for functions with more general domains and/or ranges
26E25 Set-valued functions
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