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The Higher Order Schwarzian Derivative: Its Applications For Chaotic Behavior And New İnvariant Sufficient Condition Of Chaos

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Author
Hacibekiroğlu, Gürsel
Çağlar, Mert
Polatoğlu, Yaşar
Type
Article
Date
2009-06
Language
en_US
Metadata
Show full item record
Abstract
The Schwarzian derivative of a function f (x) which is defined in the interval (a, b) having higher order derivatives is given by S(f(x)) = (f"(x)/f'(x))' - 1/2 (f"(x)/f'(x))(2). A sufficient condition for a function to behave chaotically is that its Schwarzian derivative is negative. In this paper, we try to F find a sufficient condition for a non-linear dynamical system to behave chaotically. The solution function of this system is a higher E degree polynomial. We define the nth Schwarzian derivative to examine its general properties. Our analysis shows that the sufficient condition for chaotic behavior of higher order polynomial is provided if its highest order three terms satisfy an inequality which 6 is invariant under the degree of the polynomial and the condition is represented by the Hankel determinant of order 2. Also the nth order polynomial can be considered to be the partial sum of real variable analytic function. Let this analytic function be the solution of a non-linear differential equation, then the sufficient condition for the chaotical behavior of this function is that the Hankel determinant of order 2 should be negative, where the elements of this determinant are the coefficients of the terms of L n, n - 1, n - 2 in the Taylor expansion. (C) 2008 Elsevier Ltd. All rights reserved.
Subject
chaos
schwarzian derivative
hankel determinant
kaos
hankel belirleyici
URI
http://hdl.handle.net/11413/1250
Collections
  • Makaleler / Articles [293]

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Hakkında |Politika | Kütüphane | İletişim | Send Feedback | Admin

Istanbul Kültür University, Ataköy Campus E5 Karayolu Üzeri Bakırköy 34158, İstanbul / TURKEY
Copyright © İstanbul Kültür University

Creative Commons Lisansı
IKU Institutional Repository, Creative Commons Alıntı-GayriTicari-Türetilemez 4.0 Uluslararası Lisansı ile lisanslanmıştır.

Designed by  UNIREPOS