Zobrazeno 1 - 10
of 592
pro vyhledávání: '"Viet–Thanh Pham"'
Publikováno v:
Mathematical and Computer Modelling of Dynamical Systems, Vol 30, Iss 1, Pp 758-791 (2024)
In this manuscript, we carried out a thorough analysis of the general SIR model for epidemics. We broadened the model to include vaccination, treatment, and incidence rate. The vaccination rate is a testament to the alternatives made by individuals w
Externí odkaz:
https://doaj.org/article/66d0d746f13b4f08b90370763053f0f4
Publikováno v:
Alexandria Engineering Journal, Vol 97, Iss , Pp 376-384 (2024)
A significant attention has concentrated on systems with “hidden attractors” in recent years. The aim of this work is to study an oscillator displaying “hidden attractors”. The oscillator has all nonlinear terms but no equilibrium. The oscill
Externí odkaz:
https://doaj.org/article/ddcc37d2855e4486a387335d325c87de
Publikováno v:
Symmetry, Vol 16, Iss 10, p 1341 (2024)
We present a hyperchaotic oscillator with two linear terms and seven nonlinear terms that displays special algebraic properties. Notably, the introduced oscillator features distinct equilibrium types: single-point, line, and spherical equilibria. The
Externí odkaz:
https://doaj.org/article/5d7e87629b1e4ea9b987f9fceffbbe9b
Publikováno v:
Mathematics, Vol 12, Iss 19, p 2970 (2024)
This paper introduces a modified Morris–Lecar neuron model that incorporates a memristor with a ReLU-based activation function. The impact of the memristor on the dynamics of the ML neuron model is analyzed using bifurcation diagrams and Lyapunov e
Externí odkaz:
https://doaj.org/article/bd68608ac2e44770a0f264f0c40032a2
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
Externí odkaz:
https://doaj.org/article/c1a3bb76f0c84f7d987c27f376f87801
Publikováno v:
Heliyon, Vol 10, Iss 6, Pp e27781- (2024)
Memristors offer a crucial element for constructing discrete maps that have garnered significant attention in complex dynamics and various potential applications. In this study, we have integrated memristive and sigmoidal function to propose innovati
Externí odkaz:
https://doaj.org/article/fccaa593b017498ba27b7bf78afe5880
Publikováno v:
Mathematics, Vol 12, Iss 12, p 1874 (2024)
We explore an oscillator with nonlinear functions and equilibrium lines that displays chaos. The equilibrium stability and complexity of the oscillator have been analysed and investigated. The presence of multiple equilibrium lines sets it apart from
Externí odkaz:
https://doaj.org/article/d5ca6d6cf6344150baa55f76b4772f04
Publikováno v:
Mathematics, Vol 12, Iss 7, p 938 (2024)
The classification of time series using machine learning (ML) analysis and entropy-based features is an urgent task for the study of nonlinear signals in the fields of finance, biology and medicine, including EEG analysis and Brain–Computer Interfa
Externí odkaz:
https://doaj.org/article/3d456b71f8664930b4d771ddc7156e81
Publikováno v:
Mathematics, Vol 12, Iss 4, p 612 (2024)
In nonlinear dynamics, there is a continuous exploration of introducing systems with evidence of chaotic behavior. The presence of nonlinearity within system equations is crucial, as it allows for the emergence of chaotic dynamics. Given that quadrat
Externí odkaz:
https://doaj.org/article/203b949cfa7749538dbad5545cd999e3
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
Externí odkaz:
https://doaj.org/article/28fa8923f7f0492d83a59abfb6f8e2be