Resonance phenomena in a scalar delay differential equation with two state-dependent delays

RC Calleja, AR Humphries, B Krauskopf - SIAM Journal on Applied …, 2017 - SIAM
We study a scalar delay differential equation (DDE) with two delayed feedback terms that
depend linearly on the state. The associated constant-delay DDE, obtained by freezing the …

[HTML][HTML] Parameterization method for unstable manifolds of delay differential equations

CM Groothedde, JDM James - Journal of Computational Dynamics, 2017 - aimsciences.org
This work is concerned with efficient numerical methods for computing high order Taylor and
Fourier-Taylor approximations of unstable manifolds attached to equilibrium and periodic …

Construction of quasi-periodic solutions of state-dependent delay differential equations by the parameterization method II: Analytic case

X He, R de la Llave - Journal of Differential Equations, 2016 - Elsevier
We construct analytic quasi-periodic solutions of a state-dependent delay differential
equation with quasi-periodically forcing. We show that if we consider a family of problems …

Construction of quasi-periodic solutions of state-dependent delay differential equations by the parameterization method I: Finitely differentiable, hyperbolic case

X He, R de la Llave - Journal of Dynamics and Differential Equations, 2017 - Springer
In this paper, we use the parameterization method to construct quasi-periodic solutions of
state-dependent delay differential equations. For example {̇ x (t) &= f (θ, x (t), ϵ x (t-τ (x …

Finding periodic orbits in state-dependent delay differential equations as roots of algebraic equations

J Sieber - arXiv preprint arXiv:1010.2391, 2010 - arxiv.org
In this paper we prove that periodic boundary-value problems (BVPs) for delay differential
equations are locally equivalent to finite-dimensional algebraic systems of equations. We …

Double Hopf bifurcation of differential equation with linearly state-dependent delays via MMS

L Pei, S Wang - Applied Mathematics and Computation, 2019 - Elsevier
In this paper the dynamics of differential equation with two linearly state-dependent delays is
considered, with particular attention focused on non-resonant double Hopf bifurcation …

Switching from exact scheme to nonstandard finite difference scheme for linear delay differential equation

SM Garba, AB Gumel, AS Hassan… - Applied Mathematics and …, 2015 - Elsevier
One-dimensional models are important for developing, demonstrating and testing new
methods and approaches, which can be extended to more complex systems. We design for …

[PDF][PDF] Stability of stochastic differential equations with distributed and state-dependent delays

L Shaikhet - J. Appl. Math. Comput, 2020 - hillpublisher.com
Stability of a linear stochastic differential equation with distributed and state-dependent
delays is investigated. Sufficient conditions of asymptotic mean square stability are obtained …

Investigating irregular behavior in a model for the El Niño Southern Oscillation with positive and negative delayed feedback

A Keane, B Krauskopf, C Postlethwaite - SIAM Journal on Applied Dynamical …, 2016 - SIAM
Conceptual climate models are very useful for investigations into the roles of underlying
processes of a climate system. We consider the conceptual model introduced by Tziperman …

Singular Hopf bifurcation in a differential equation with large state-dependent delay

G Kozyreff, T Erneux - Proceedings of the Royal Society …, 2014 - royalsocietypublishing.org
We study the onset of sustained oscillations in a classical state-dependent delay (SDD)
differential equation inspired by control theory. Owing to the large delays considered, the …