Invariant measures for some piecewise continuous maps

Research output

Abstract

We study some special classes of piecewise continuous maps on a finite smooth partition of a compact manifold and look for invariant measures for such maps. We show that in the simplest one-dimensional case (so-called interval translation maps) a Borel probability non-atomic invariant measure exists for any map. We use this result to demonstrate that any interval translation map endowed with such a measure is metrically equivalent to an interval exchange map. Finally, we study the general case of piecewise continuous maps and prove a simple result on existence of an invariant measure provided all discontinuity points are wandering.
Original languageEnglish
Article number15
Number of pages14
JournalMathematical Modelling of Natural Phenomena
Volume15
DOIs
Publication statusE-pub ahead of print - 12 Mar 2020

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