Different Types of Maps Route to Chaos in Bi-infinite Symbol Space with Strong Chaotic Features

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Authors

  • Hena Rani Biswas Department of Mathematics, University of Barishal, Barishal-8254, Bangladesh Author
  • Ruma Rani Department of Mathematics, University of Barishal, Barishal-8254, Bangladesh Author
  • Sakibul Islam Department of Mathematics, University of Barishal, Barishal-8254, Bangladesh Author
  • Umme Habiba Khatun Department of Mathematics, University of Barishal, Barishal-8254, Bangladesh Author

DOI:

https://doi.org/10.5890/JVTSD.2025.03.007

Abstract

The main purpose of this study is to introduce a generalization of the shift two-sided map, that is, the generalized two-sided shift map. In this paper, we discuss periodic points that are dense in $\Sigma_{m}$ regarding the generalized shift map $\sigma_{n}$: ${\Sigma}_m\to{\Sigma}_m$. We consider a particular property of the dynamical system namely, the topologically transitivity. Here, we prove that the generalized shift map is topologically mixing and hence is topologically transitive on ${\Sigma}_m$. Few strong chaotic properties of the generalized shift map have been discussed. We know that the two-sided shift maps are automorphisms and the one-sided shift maps are endomorphisms. These maps can be conjugate or semi-conjugate to some automorphisms or endomorphisms which admit appropriate Markov partitions. We also discuss other maps such as $\alpha $-map and $\beta $-map are chaotic in bi-infinite symbol space.

References

[1] Auslander, J. and Yorke, J.A. (1980), Interval maps factors of maps and chaos, Tohoku Mathematical Journal, 32, 177-188.

[2] Kitchens, B.P. (1996), Symbolic Dynamics. One-sided, Two-sided and Countable State Markov Shifts, Springer-Verlag.

[3] Osipenko G.S. (2004), Lectures on Symbolic Analysis of Dynamical Systems, St. Petersburg State Polytechnic University.

[4] Brin, M. and Stuck, G. (2002), Introduction to Dynamical Systems, Cambridge University Press, New York.

[5] Biswas, H.R. (2017), Chaotic features of the generalized shift map and the complemented shift map, Barishal University Journal Part 1, 4(1), 185-202.

[6] Devaney, R.L. (1989), An Introduction to Chaotic Dynamical Systems, 2nd edition, NewYork: Addison -Wesley, Redwood City, CA.

[7] Biswas, H.R. and Islam, M.S. (2020), Chaotic features of the forward shift map on the generalized $m$-symbol space, Journal of Applied Mathematics and Computation, 4(3), 104-112.

[8] Biswas, H.R. and Islam, M.M. (2020), Shift map and cantor set of logistic function, IOSR Journal of Mathematics, 16(3), 01-08.

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PublishedMarch 2025

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How to Cite

Biswas, H. R., Rani, R., Islam, S., & Khatun, U. H. (2026). Different Types of Maps Route to Chaos in Bi-infinite Symbol Space with Strong Chaotic Features. Journal of Vibration Testing and System Dynamics, 9(1), 97-104. https://doi.org/10.5890/JVTSD.2025.03.007