Results 21 to 30 of about 3,112,769 (259)

Dynamical Interpretation of Logistic Map using Euler’s Numerical Algorithm

open access: yesChaos Theory and Applications, 2022
In the last two decades, the dynamics of difference and differential equations have found a celebrated place in science and engineering such as weather forecasting, secure communication, transportation problems, biology, the population of species, etc ...
A. K. Malik   +3 more
doaj   +1 more source

A Novel Dynamic Mathematical Model Applied in Hash Function Based on DNA Algorithm and Chaotic Maps

open access: yesMathematics, 2022
This paper aims to improve SHA-512 security without increasing complexity; therefore, we focused on hash functions depending on DNA sequences and chaotic maps.
Nada E. El-Meligy   +4 more
doaj   +1 more source

A Novel Chaotic Permutation-Substitution Image Encryption Scheme Based on Logistic Map and Random Substitution

open access: yesIEEE Access, 2022
Privacy is a serious concern related to sharing videos or images among people over the Internet. As a method to preserve images’ privacy, chaos-based image encryption algorithms have been used widely to fulfil such a requirement.
Jameel Arif   +6 more
semanticscholar   +1 more source

Image encryption using 3D Logistic-Sine cascade map

open access: yesDianzi Jishu Yingyong, 2020
This paper proposes a three-dimensional Logistic-Sine cascade map(3D-LSCM). Firstly, a three-dimensional Logistic-Sine cascade map was constructed by using the output of the Logistic map as the input of the Sine map.
Zeng Ke   +3 more
doaj   +1 more source

Analogue circuit implementation of a new logistic‐like map

open access: yesElectronics Letters, 2022
Discrete chaotic system has complex dynamics and becomes to be a present hot topic, but its analogue circuit implementation is rarely discussed. In this paper, by simplifying the logistic map, a new Logistic‐like map is proposed.
Xianming Wu   +3 more
doaj   +1 more source

Route to chaos in generalized logistic map [PDF]

open access: yes, 2015
Motivated by a possibility to optimize modelling of the population evolution we postulate a generalization of the well-know logistic map. Generalized difference equation reads: \begin{equation} x_{n+1}=rx^p_n(1-x^q_n), \end{equation} $x\in[0,1],\;(p,q)>0,
Rak, Ewa, Rak, Rafał
core   +1 more source

Fractional order logistic map: Numerical approach [PDF]

open access: yesChaos, Solitons & Fractals, 2022
In this paper the fractional order logistic map in the sense of Caputo's fractional differences is numerically approached. It is shown that the necessary iterations number to avoid transients must be of order of thousand, not of order of hundreds as commonly used in several works.
openaire   +2 more sources

A q-deformed nonlinear map [PDF]

open access: yes, 2004
A scheme of q-deformation of nonlinear maps is introduced. As a specific example, a q-deformation procedure related to the Tsallis q-exponential function is applied to the logistic map.
C Tsallis   +13 more
core   +2 more sources

Delayed coupling of logistic maps [PDF]

open access: yesPhysical Review E, 2001
We study the synchronization of logistic maps in a one-way coupling configuration. The master system is coupled to the slave system with a delay n(1), and the slave is a delayed logistic map with a delay n(2). We show that when the slave system has no delay (n(2)=0), perfectly synchronized solutions exist for strong enough coupling.
Masoller Alonso, Cristina   +2 more
openaire   +4 more sources

Deciphering a novel image cipher based on mixed transformed Logistic maps [PDF]

open access: yes, 2015
Since John von Neumann suggested utilizing Logistic map as a random number generator in 1947, a great number of encryption schemes based on Logistic map and/or its variants have been proposed. This paper re-evaluates the security of an image cipher based
Cheng, Ge   +4 more
core   +1 more source

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