Results 31 to 40 of about 963 (172)

Implementation of a digital evaluation platform to analyze bifurcation based nonlinear amplifiers [PDF]

open access: yesAdvances in Radio Science, 2016
Recently, nonlinear amplifiers based on the supercritical Andronov–Hopf bifurcation have become a focus of attention, especially in the modeling of the mammalian hearing organ.
S. Feldkord, M. Reit, W. Mathis
doaj   +1 more source

Stability and Bifurcation Analysis of a Nonlinear Discrete Logistic Model with Delay

open access: yesDiscrete Dynamics in Nature and Society, 2013
We consider a nonlinear discrete logistic model with delay. The characteristic equation of the linearized system at the positive equilibrium is a polynomial equation involving high order terms.
Daiyong Wu   +3 more
doaj   +1 more source

Spatiotemporal Patterns Formed by a Discrete Nutrient-Phytoplankton Model with Time Delay

open access: yesComplexity, 2020
In this research, a continuous nutrient-phytoplankton model with time delay and Michaelis–Menten functional response is discretized to a spatiotemporal discrete model.
Feifan Zhang   +4 more
doaj   +1 more source

Arnol′d tongues arising from a grazing-sliding bifurcation

open access: yes, 2009
The Neımark–Sacker bifurcation, or Hopf bifurcation for maps, is a well-known bifurcation for smooth dynamical systems. At this bifurcation a periodic orbit loses stability, and, except at certain “strong” resonances, an invariant torus is born.
Osinga, HM   +3 more
core   +1 more source

Neimark-Sacker bifurcation in a discrete dynamical model of population genetics [PDF]

open access: yes, 2007
In this paper we investigate a genetic model initiated by Gábor Tusnády. This model is a four-dimensional system of difference equations which describes the change of distribution of genotypes from generation to generation in the case of one locus and ...
Attila Dénes, Dénes Attila
core   +1 more source

Bifurcation and Stability of a Spatiotemporal Prey–Predator Model: A Computational Perspective

open access: yesComputational and Mathematical Methods, Volume 2026, Issue 1, 2026.
In this research work, a ratio‐dependent prey–predator system is investigated for bifurcation and stability analysis. The unique existence of the solution, boundedness, and positivity of the temporal model is derived. Stability analysis of positive steady states is analyzed.
Muhammad Waqas Yasin   +4 more
wiley   +1 more source

PD control at Neimark–Sacker bifurcations in a Mackey–Glass system

open access: yesAdvances in Difference Equations, 2018
This article focuses on a proportional-derivative (PD) feedback controller to control a Neimark–Sacker bifurcation for a Mackey–Glass system by the Euler method.
Yuanyuan Wang
doaj   +1 more source

Incorporating Memory Effects in Population Ecology Using Fractional Derivatives: Stability Perspectives, Bifurcations, and Chaos Control

open access: yesComplexity, Volume 2026, Issue 1, 2026.
This study investigates a discrete‐time predator–prey model that includes both prey refuge and memory effects. The research identifies the conditions under which fixed points exist and remain stable. A key focus is placed on analyzing different types of bifurcation—such as period doubling (PD), Neimark–Sacker (NS), and strong resonances (1 : 2, 1 : 3 ...
S. M. Sohel Rana   +2 more
wiley   +1 more source

A Dynamical Analysis of Supply Chain Systems Under a Dynamic Game Framework Considering Green Technology Innovation

open access: yesDiscrete Dynamics in Nature and Society, Volume 2026, Issue 1, 2026.
A dynamic model of a green supply chain, comprising two manufacturers incorporating green technology innovation and one product component supplier, was constructed based on a gradient adjustment mechanism. The dynamic behavior of the system was analyzed through stability analysis of equilibrium points and bifurcation conditions, using parameter ...
Minjuan Li, Ahmed Ezzat Matouk
wiley   +1 more source

The Complex Dynamics of Automobile Manufacturer Competition Model on Video Platforms

open access: yesDiscrete Dynamics in Nature and Society, Volume 2026, Issue 1, 2026.
Video platforms have significantly broadened the marketing and advertising channels available to automobile manufacturers, leading to reduced transaction costs and increased profits for participants. Through building a dynamic automobile manufacturer competition model with bounded rationality, we have revealed the following conclusions: Adjustment ...
Jianli Xiao   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy