Results 1 to 10 of about 3,437,451 (208)

Probing 3D chaotic Thomas’ cyclically attractor with multimedia encryption and electronic circuitry [PDF]

open access: yesArchives of Control Sciences, 2023
This study investigates Thomas’ cyclically symmetric attractor dynamics with mathematical and electronic simulations using a proportional fractional derivative to comprehend the dynamics of a given chaotic system.
NajeebAlam Khan   +3 more
doaj   +1 more source

Different linear control laws for fractional chaotic maps using Lyapunov functional [PDF]

open access: yesArchives of Control Sciences, 2021
Dynamics and control of discrete chaotic systems of fractional-order have received considerable attention over the last few years. So far, nonlinear control laws have been mainly used for stabilizing at zero the chaotic dynamics of fractional maps.
A. Othman Almatroud   +5 more
doaj   +1 more source

Modeling of Chaotic Processes by Means of Antisymmetric Neural ODEs

open access: yesJournal of Optimization, Differential Equations and Their Applications, 2022
The main goal of this work is to construct an algorithm for modeling chaotic processes using special neural ODEs with antisymmetric matrices (antisymmetric neural ODEs) and power activation functions (PAFs).
Vasiliy Ye. Belozyorov   +1 more
doaj   +1 more source

On the Equivalence of Real Dynamic Process and Its Neural Network Quadratic Models

open access: yesJournal of Optimization, Differential Equations and Their Applications, 2021
A dynamic process defined by its own time series is considered. Using the methods of qualitative recurrent analysis, the dimension of the embedding space and the optimal time delay of the specified series are determined.
Vasiliy Ye. Belozyorov   +2 more
doaj   +1 more source

Elliptic Flowers: New Types of Dynamics to Study Classical and Quantum Chaos

open access: yesEntropy, 2022
We construct examples of billiards where two chaotic flows are moving in opposite directions around a non-chaotic core or vice versa; the dynamics in the core are chaotic but flows that are moving in opposite directions around it are non-chaotic.
Hassan Attarchi, Leonid A. Bunimovich
doaj   +1 more source

Limited predictability of body length in a fish population

open access: yesFrontiers in Ecology and Evolution, 2022
Recent theoretical studies have identified chaotic dynamics in eco-evolutionary models. Yet, empirical evidence for eco-evolutionary chaos in natural ecosystems is lacking.
Lin Wang, Lin Wang, Ting Wang
doaj   +1 more source

Chaotic tracial dynamics

open access: yesForum of Mathematics, Sigma, 2023
The action on the trace space induced by a generic automorphism of a suitable finite classifiable ${\mathrm {C}^*}$ -algebra is shown to be chaotic and weakly mixing.
Bhishan Jacelon
doaj   +1 more source

Stability of Neural Ordinary Differential Equations with Power Nonlinearities

open access: yesJournal of Optimization, Differential Equations and Their Applications, 2020
The article presents a study of solutions of ODEs system with a special nonlinear part, which is a continuous analogue of an arbitrary recurrent neural network (neural ODEs).
Vasiliy Ye. Belozyorov   +1 more
doaj   +1 more source

ON EQUIVALENCE OF LINEAR CONTROL SYSTEMS AND ITS USAGE TO VERIFICATION OF THE ADEQUACY OF DIFFERENT MODELS FOR A REAL DYNAMIC PROCESS

open access: yesJournal of Optimization, Differential Equations and Their Applications, 2020
A problem of description of algebraic invariants for a linear control system that determine its structure is considered. With the help of these invariants, the equivalence problem of two linear time-invariant control systems with respect to actions of ...
Vasiliy Ye. Belozyorov   +2 more
doaj   +1 more source

Rich complex dynamics in new fractional-order hyperchaotic systems using a modified Caputo operator based on the extended Gamma function

open access: yesPartial Differential Equations in Applied Mathematics, 2022
In this work, rich complex dynamics are observed in new fractional-order hyperchaotic systems when employing a modified Caputo-operator based on the extended Gamma function. Thus, the new parameter of the extended Gamma function provides higher degree of
A.E. Matouk, Bachioua Lahcene
doaj   +1 more source

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