Results 61 to 70 of about 337,037 (167)

Controllability of neutral impulsive stochastic quasilinear integrodifferential systems with nonlocal conditions

open access: yesElectronic Journal of Differential Equations, 2011
We establish sufficient conditions for controllability of neutral impulsive stochastic quasilinear integrodifferential systems with nonlocal conditions in Hilbert spaces.
Krishnan Balachandran, Ravikumar Sathya
doaj  

A nonlinear neutral periodic differential equation

open access: yesElectronic Journal of Differential Equations, 2010
In this article we consider the existence, uniqueness and positivity of a first order non-linear periodic differential equation. The main tool employed is the Krasnosel'skii's fixed point theorem for the sum of a completely continuous operator and a ...
Eric R. Kaufmann
doaj  

Oscillation of solutions of neutral differential equations with a superlinear neutral term

open access: yesApplied Mathematics Letters, 2007
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Xiaoyan Lin, X. H. Tang
openaire   +2 more sources

Solvability of a Higher-Order Nonlinear Neutral Delay Difference Equation

open access: yesAdvances in Difference Equations, 2010
The existence of bounded nonoscillatory solutions of a higher-order nonlinear neutral delay difference equation , , where , , , and are integers, and are real sequences, , and is a mapping, is studied. Some sufficient conditions for the existence of
Liu Min, Guo Zhenyu
doaj   +2 more sources

Controllability of nonlinear stochastic neutral fractional dynamical systems

open access: yesNonlinear Analysis, 2017
In this paper, we obtain an equivalent nonlinear integral equation to the stochastic neutral fractional system with bounded operator. Using the integral equation, the sufficient conditions for ensuring the complete controllability of the stochastic ...
Mabel Lizzy Rajendran   +2 more
doaj   +1 more source

Oscillations in Higher-Order Neutral Differential Equations

open access: yesCanadian Journal of Mathematics, 1993
AbstractConsider the n-th order (n ≥ 1 ) neutral differential equation where σ1 < σ 2 < ∞ and μ and η are increasing real-valued functions on [Ƭ1, Ƭ2] and [σ1, σ2] respectively. The function μ is assumed to be not constant on [Ƭ1, Ƭ2] and [Ƭ1, Ƭ2] for every Ƭ ∈ (Ƭ1, Ƭ2) similarly, for each σ ∈ (σ1, σ2), it is supposed that r\ is not constant on
Philos, C. G.   +2 more
openaire   +3 more sources

Some Oscillatory Results of Nonlinear Neutral Differential Equation

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences
In the last decades, functional differential equations have attracted the attention of many researchers; they were interested in the theory and its applications.
Zahrah Abdul abbas Hussein   +1 more
doaj   +1 more source

Existence of non-oscillatory solutions to higher-order mixed difference equations

open access: yesElectronic Journal of Differential Equations, 2007
In this paper, we consider the higher order neutral nonlinear difference equation$$displaylines{ Delta^{m}(x(n)+p(n)x(au(n)))+f_1(n,x(sigma_{1}(n))) -f_2(n,x(sigma_{2}(n)))=0, cr Delta^{m}(x(n)+p(n)x(au(n)))+f_1(n,x(sigma_{1}(n))) -f_2(n,x(sigma_{2}(n)))=
Qiaoluan Li   +3 more
doaj  

Oscillation Criteria in Higher Order Neutral Equations

open access: yesJournal of Mathematical Analysis and Applications, 1994
The paper deals with oscillatory criteria for the solutions of a scalar higher order neutral equation of mixed type (with delayed and advanced arguments), with constant coefficients. As a main result, the classical characterization of oscillations by the characteristic equation is extended to such equations.
Bilchev, S. J.   +2 more
openaire   +2 more sources

A Class of Neutral Equations with the Fixed Point Property [PDF]

open access: yesProceedings of the National Academy of Sciences, 1970
For a neutral functional differential equation with a stable operator, D, it is shown that the solution operator is the sum of a contraction and a completely continuous operator.
openaire   +2 more sources

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