Results 1 to 10 of about 3,183 (220)

Differential Inequalities for One Component of Solution Vector for Systems of Linear Functional Differential Equations [PDF]

open access: yesAdvances in Difference Equations, 2010
The method to compare only one component of the solution vector of linear functional differential systems, which does not require heavy sign restrictions on their coefficients, is proposed in this paper.
Alexander Domoshnitsky
doaj   +6 more sources

Differential difference inequalities related to parabolic functional differential equations [PDF]

open access: yesOpuscula Mathematica, 2010
Initial boundary value problems for nonlinear parabolic functional differential equations are transformed by discretization in space variables into systems of ordinary functional differential equations.
Milena Netka
doaj   +4 more sources

Representation and stability of solutions of systems of functional differential equations with multiple delays [PDF]

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2012
This paper is devoted to the study of systems of nonlinear functional differential equations with time-dependent coefficients and multiple variable increasing delays represented by functions $g_i(t)
Michal Pospíšil
doaj   +3 more sources

Ulam-Hyers-Rassias Stability of Stochastic Functional Differential Equations via Fixed Point Methods

open access: yesJournal of Function Spaces, 2021
The Ulam-Hyers-Rassias stability for stochastic systems has been studied by many researchers using the Gronwall-type inequalities, but there is no research paper on the Ulam-Hyers-Rassias stability of stochastic functional differential equations via ...
Abdellatif Ben Makhlouf   +2 more
doaj   +2 more sources

Monotone iterative methods for infinite systems of reaction-diffusion-convection equations with functional dependence [PDF]

open access: yesOpuscula Mathematica, 2005
We consider the Fourier first initial-boundary value problem for an infinite system of semilinear parabolic differential-functional equations of reaction-diffusion-convection type of the form \[\mathcal{F}^i[z^i](t,x)=f^i(t,x,z),\quad i \in S,\] where \[\
Stanisław Brzychczy
doaj   +3 more sources

On Singular Liouville Equations and Systems [PDF]

open access: yesAdvanced Nonlinear Studies, 2017
We consider some singular Liouville equations and systems motivated by uniformization problems in a non-smooth setting, as well as from models in mathematical physics.
Malchiodi Andrea
doaj   +2 more sources

Stability Analysis of a Nonautonomous Diffusive Predator–Prey Model with Disease in the Prey and Beddington–DeAngelis Functional Response [PDF]

open access: yesBiology
Based on existing models, this paper incorporates some key ecological factors, thereby obtaining a class of eco-epidemiological models that can more objectively reflect natural phenomena.
Yujie Zhang   +3 more
doaj   +2 more sources

A finite difference method for nonlinear parabolic-elliptic systems of second order partial differential equations [PDF]

open access: yesOpuscula Mathematica, 2007
This paper deals with a finite difference method for a wide class of weakly coupled nonlinear second-order partial differential systems with initial condition and weakly coupled nonlinear implicit boundary conditions.
Marian Malec, Lucjan Sapa
doaj   +3 more sources

Landau-type inequalities and -bounded solutions of neutral delay systems

open access: yesJournal of Inequalities and Applications, 1999
In Section 1 relations between various forms of Landau inequalities and Halperin–Pitt inequalities are discussed, for arbitrary norms, intervals and Banach-space-valued . In Section 2 such inequalities are derived for weighted -norms, Stepanoff-
Günzler Hans
doaj   +1 more source

Stability of hybrid stochastic retarded systems [PDF]

open access: yes, 2008
-In the past few years, hybrid stochastic retarded systems (also known as stochastic retarded systems with Markovian switching), including hybrid stochastic delay systems, have been intensively studied. Among the key results, Mao et al.
Mao, X.   +5 more
core   +4 more sources

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