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Reaction delays play an important role in determining the qualitative dynamical properties of a platoon of vehicles traversing a straight road. In this paper, we investigate the impact of delayed feedback on the dynamics of the Classical…

Systems and Control · Computer Science 2019-01-28 Gopal Krishna Kamath , Krishna Jagannathan , Gaurav Raina

We discuss the stability and bifurcation analysis for a predator-prey system with non-linear Michaelis-Menten prey harvesting. The existence and stability of possible equilibria are investigated. We provide rigorous mathematical proofs for…

Dynamical Systems · Mathematics 2017-11-23 Eric Ávila-Vales , Ángel Estrella-González , Erika Rivero Esquivel

Neural field models with transmission delay may be cast as abstract delay differential equations (DDE). The theory of dual semigroups (also called sun-star calculus) provides a natural framework for the analysis of a broad class of delay…

Dynamical Systems · Mathematics 2017-12-11 Stephan A. van Gils , Sebastiaan G. Janssens , Yuri A. Kuznetsov , Sid Visser

In this paper, we investigate the dynamical behaviors of a delayed lateral vibration model of footbridges proposed based on the facts that pedestrians will reduce their walking speed or stop walking when the response of the footbridge…

Dynamical Systems · Mathematics 2025-03-05 Xuemei Li , Yechi Liu

We study the emergence of periodic oscillations through a Hopf bifurcation in a scalar diffusion equation on the half line coupled to a dynamic boundary condition. Our results quantify the effect of delay through the buffering in the…

Analysis of PDEs · Mathematics 2026-04-02 Merlin Pelz , Arnd Scheel

In this paper, we investigate a reaction-diffusion-advection model with time delay effect. The stability/instability of the spatially nonhomogeneous positive steady state and the associated Hopf bifurcation are investigated when the given…

Dynamical Systems · Mathematics 2017-06-08 Shanshan Chen , Yuan Lou , Junjie Wei

This paper investigates the dynamical behaviors of a Holling type I Leslie-Gower predator-prey model where the predator exhibits an Allee effect and is subjected to constant harvesting. The model demonstrates three types of equilibrium…

Dynamical Systems · Mathematics 2025-04-02 Jianhang Xie , Changrong Zhu

Quantifying the stability of an equilibrium is central in the theory of dynamical systems as well as in engineering and control. A comprehensive picture must include the response to both small and large perturbations, leading to the…

Adaptation and Self-Organizing Systems · Physics 2023-03-08 Philipp C. Böttcher , Benjamin Schäfer , Stefan Kettemann , Carsten Agert , Dirk Witthaut

This paper focuses on the Hopf bifurcation in an activator-inhibitor system without diffusion which can be modeled as a delay differential equation. The main result of this paper is the existence of the Poincar\'e-Lindstedt series to all…

Dynamical Systems · Mathematics 2025-04-03 Renato Calleja , Pablo Padilla-Longoria , Edgar Rodríguez-Mendieta

Nonlinear dynamical systems with time delay are abundant in applications, but are notoriously difficult to analyse and predict because delay-induced effects strongly depend on the form of the nonlinearities involved, and on the exact way…

Chaotic Dynamics · Physics 2021-11-03 Natalia B. Janson , Christopher J. Marsden

In this paper, we complete the global qualitative analysis of a quartic family of planar vector fields corresponding to a rational Holling-type dynamical system which models the dynamics of the populations of predators and their prey in a…

Dynamical Systems · Mathematics 2015-07-28 Valery A. Gaiko

A delayed differential equation modelling a single neuron with inertial term is considered in this paper. Hopf bifurcation is studied by using the normal form theory of retarded functional differential equations. When adopting a…

Chaotic Dynamics · Physics 2007-05-23 Chunguang Li , Guanrong Chen , Xiaofeng Liao , Juebang Yu

A metapopulation structure in landscape ecology comprises a group of interacting spatially separated subpopulations or patches of the same species that may experience several local extinctions. This makes the investigation of survivability…

Populations and Evolution · Quantitative Biology 2017-12-22 Srilena Kundu , Soumen Majhi , Sourav Kumar Sasmal , Dibakar Ghosh , Biswambhar Rakshit

Generalist predators consist an important component of an ecosystem which may act as a biocontrol agent and influence the dynamics significantly. In this paper, we have studied the effect of delayed logistic growth of the prey species with…

Dynamical Systems · Mathematics 2022-02-16 Rajesh Ranjan Patra , Soumen Kundu , Sarit Maitra

We investigate the dynamics of a single breathing localized structure in a three-component reaction-diffusion system subjected to the time-delayed feedback. We show that variation of the delay time and the feedback strength can lead either…

Pattern Formation and Solitons · Physics 2015-06-18 Svetlana V. Gurevich

We present a detailed study of the effect of time delay on the collective dynamics of coupled limit cycle oscillators at Hopf bifurcation. For a simple model consisting of just two oscillators with a time delayed coupling, the bifurcation…

chao-dyn · Physics 2009-10-31 D. V. Ramana Reddy , A. Sen , G. L. Johnston

In this paper, we analyze some local stability and local bifurcation properties of the Proportionally fair, TCP fair, and the Delay-based dual algorithms in the presence of two distinct time delays. In particular, our focus is on the…

Chaotic Dynamics · Physics 2019-06-19 Abuthahir Abuthahir , Gaurav Raina

In a recent paper of Yuan and Zhu (J. Differential Equations 321(2022) 99-129), the nature of dynamics of a generalist predator and prey with stage structure is modeled as a three-dimensional coupled nonlinear differential system. A…

Dynamical Systems · Mathematics 2024-08-01 Martha Alvarez Ramírez , Marco Polo García Rivera , Ahida Ortiz Santos

In this paper, we consider the dynamics of a delayed reaction-diffusion mussel-algae system subject to Neumann boundary conditions. When the delay is zero, we show the existence of positive solutions and the global stability of the boundary…

Dynamical Systems · Mathematics 2019-10-23 Zuolin Shen , Junjie Wei

The traditional Wilson-Cowan model of excitatory and inhibitory mean field interactions in neuronal populations considers a weak Gamma distribution of time delays when processing inputs, and is obtained via a time-coarse graining technique…

Dynamical Systems · Mathematics 2021-07-06 Eva Kaslik , Emanuel-Attila Kokovics , Anca Radulescu