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On an analogue of a theorem of Denjoy for smooth transformations of the circle with critical points of inflexion. (Russian. English summary) Zbl 0577.58001
Summary: Smooth homeomorphisms of the circle with one or several critical points of inflexion are considered and conditions are established under which such points are recurrent.
MSC:
58C06 Set-valued and function-space-valued mappings on manifolds
57R70 Critical points and critical submanifolds in differential topology
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