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It is well known that a microperiodic function mapping a topological group into reals, which is continuous at some point is constant. We introduce the notion of a microperiodic multifunction, defined on a topological group with values in a metric space, and study regularity conditions implying an analogous result. We deal with Vietoris and Hausdorff continuity concepts.Stability of microperiodi...
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ژورنال
عنوان ژورنال: The Boston Medical and Surgical Journal
سال: 1869
ISSN: 0096-6762,1533-4406
DOI: 10.1056/nejm186912090812301