On singularity of invariant measure of piecewise-smooth circle homeomorphisms with several breaks

Authors

  • Utkir Safarov Turin Polytechnic Uiniversity in Tashkent

Keywords:

circle homeomorphism, rotation number, invariant measure.

Abstract

In the present paper, it is proven that the probability invariant measure of ergodic
piecewise-smooth circle homeomorphisms with several breaks and nontrivial product of
jumps is singular with respect to the Lebesgue measure.

References

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A.A. Dzhalilov and K.M. Khanin: On invariant measure for homeomorphisms of a circle with a point of break., Funct. Anal. Appl., 32, (3) 153-161 (1998).

A.A. Dzhalilov, I. Liousse and D. Mayer: Singular measures of piecewise smooth circle homeomorphisms with two break points. Discrete and continuous dynamical systems, 24, (2), 381-403 (2009).

A.A. Dzhalilov, D. Mayer and U.A. Safarov: Piecwise-smooth circle homeomorphisms with several breakpoints. Izvestiya RAN: Ser. Mat. 76:1 95-113, translation of Izvestiya: Mathematics 76:1 95-113, (2012).

Published

2023-09-27

How to Cite

Safarov, U. (2023). On singularity of invariant measure of piecewise-smooth circle homeomorphisms with several breaks. Acta of Turin Polytechnic University in Tashkent, 13(2), 7–8. Retrieved from https://acta.polito.uz/index.php/journal/article/view/212