... A delay differential equation model of mealybugs and green lacewings Jankaew et al Advances in Difference Equations (2019) 2019 283 https //doi org/10 1186/s13662 019 2226 x R E S E A R C H Open Acces[.] ...
... Ordinary differential equations (ODEs) have been used as a fundamental tool of the mathematical modeler for long ...functional differentialequation(FDE), which includes all DDEs, includes both the ...
... appearance, delay-differential equations (DDEs) have several features that make their analysis a challenging ...a delay-differentialequation (DDE) by use of a perturbation method, one ...
... a delaydifferentialequation model of the growth of two-species competitive plankton with one toxin producing phytoplankton is studied in this ...a delaydifferentialequation ...
... Points; DelayDifferentialEquation; Residual Function; Boundary Value Problem; Proportional Delays ...Introduction Delaydifferential equations are type of differential equa- ...
... The idea of nonoscillation criteria of linear delaydifferentialequation has appeared as early in the works of O. Arino [1]. Now a days, peoples’ concentration has been directed towards the ...
... neutral delaydifferentialequation (NDDE) of constant delay type by applying explicit ...The delay solutions of the unknown function will be interpolated using previous values and the ...
... structured populations, cell cycle, first order partial differential equation with delay and transformed argument, delay-differential equation in a Banach space, strongly c[r] ...
... Fuzzy DelayDifferentialEquation in Predator-Prey Interaction: Analysis on Stability of Steady State Normah Maan, Khabat Barzinji, and Nor’aini ...fuzzy delay predator-prey (FDPP) system is ...
... a delaydifferentialequation mathematical model which improves on earlier simpler models by taking into account observed experimental ...time delay this equilibrium is unstable, but as the ...
... odd-order; delay differential equation; oscillation 1 Introduction Professor Ivan Kiguradze is widely recognized as one of the leading contemporary ex- perts in the qualitative theory of ordinary differential ...
... of () when g is linear. In this paper all the invariant curves of the planar mapping G are given including the linear and nonlinear ones when g is linear. 2 Main results We discuss invariant curves of the form y = f (x) ...
... Zhang, Oscillation of first order linear differential equations with deviating arguments, Differential Integral Equations, 1 (1988), 305-314.. [9] N.[r] ...
... Abstract The objective of this paper is to study asymptotic nature of a class of third-order neutral delay differential equations. By using a generalized Riccati substitution and the integral averaging technique, a ...
... fractional delay differential equation of Hadamard ...Mittag-Leffler delay matrix functions with logarithmic functions and analyzing their properties, we derive the representation of solutions via the ...
... Abstract The paper deals with stability regions of a certain discretization of a linear differential equation with constant delay. The main aim of the paper is to analyze the regions of asymptotic stability ...
... Using a Razumikhin type theorem, we deduce sufficient conditions that guarantee the uniform asymptotic stability and boundedness of solutions of a scalar real fourth-order delay differen[r] ...
... Delaydifferential equations have received increasing attention during recent years since these equa- tions have been proved to be valuable tools in the modeling of many phenomena in various fields of ...
... In the past several years, some results on the existence of periodic solutions for the func- tional differential equation have been obtained by the critical point theory (see [–]). However, most of these ...
... adjoint equation and the initial ...Bruijn equation, x (t) = – x(t–1) t , t ≥ 1, our result yields an explicit asymptotic representation of the solutions as t → ...