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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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On indecomposability in chaotic attractors
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by Jan P. Boroński and Piotr Oprocha PDF
Proc. Amer. Math. Soc. 143 (2015), 3659-3670 Request permission

Abstract:

We exhibit a Li-Yorke chaotic interval map $F$ such that the inverse limit $X_F=\varprojlim \{F,[0,1]\}$ does not contain an indecomposable subcontinuum. Our result contrasts with the known property of interval maps: if $\varphi$ has positive entropy then $X_\varphi$ contains an indecomposable subcontinuum. Each subcontinuum of $X_F$ is homeomorphic to one of the following: an arc, or $X_F$, or a topological ray limiting to $X_F$. Through our research, we found that it follows that $X_F$ is a chaotic attractor of a planar homeomorphism. In addition, $F$ can be modified to give a cofrontier that is a chaotic attractor of a planar homeomorphism but contains no indecomposable subcontinuum. Finally, $F$ can be modified, without removing or introducing new periods, to give a chaotic zero entropy interval map, such that the corresponding inverse limit contains the pseudoarc.
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Additional Information
  • Jan P. Boroński
  • Affiliation: National Supercomputing Centre IT4Innovations, Division of the University of Ostrava, Institute for Research and Applications of Fuzzy Modeling, 30. dubna 22, 70103 Ostrava, Czech Republic — and — AGH University of Science and Technology, Faculty of Applied Mathematics, al. Mickiewicza 30, 30-059 Kraków, Poland
  • ORCID: 0000-0002-1802-4006
  • Email: jan.boronski@osu.cz
  • Piotr Oprocha
  • Affiliation: AGH University of Science and Technology, Faculty of Applied Mathematics, al. Mickiewicza 30, 30-059 Kraków, Poland — and — Institute of Mathematics, Polish Academy of Sciences, ul. Śniadeckich 8, 00-956 Warszawa, Poland
  • MR Author ID: 765606
  • ORCID: 0000-0002-0261-7229
  • Email: oprocha@agh.edu.pl
  • Received by editor(s): March 29, 2013
  • Received by editor(s) in revised form: February 14, 2014
  • Published electronically: March 25, 2015
  • Communicated by: Nimish Shah
  • © Copyright 2015 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 143 (2015), 3659-3670
  • MSC (2010): Primary 54F15
  • DOI: https://doi.org/10.1090/S0002-9939-2015-12526-9
  • MathSciNet review: 3348807