Results 1 to 10 of about 3,186,083 (334)

Nonlinear Neutral Delay Differential Equations of Fourth-Order: Oscillation of Solutions. [PDF]

open access: yesEntropy (Basel), 2021
The objective of this paper is to study oscillation of fourth-order neutral differential equation. By using Riccati substitution and comparison technique, new oscillation conditions are obtained which insure that all solutions of the studied equation are
Agarwal RP, Bazighifan O, Ragusa MA.
europepmc   +2 more sources

A Novel Delay-Dependent Asymptotic Stability Conditions for Differential and Riemann-Liouville Fractional Differential Neutral Systems with Constant Delays and Nonlinear Perturbation [PDF]

open access: yesMathematics, 2020
The novel delay-dependent asymptotic stability of a differential and Riemann-Liouville fractional differential neutral system with constant delays and nonlinear perturbation is studied.
Watcharin Chartbupapan   +2 more
doaj   +5 more sources

Lie symmetry analysis of fractional ordinary differential equation with neutral delay

open access: yesAIMS Mathematics, 2021
In this paper, Lie symmetry analysis method is employed to solve the fractional ordinary differential equation with neutral delay. The Lie symmetries for the fractional ordinary differential equation with neutral delay are obtained, and the group ...
Yuqiang Feng, Jicheng Yu
doaj   +2 more sources

An improved approach for studying oscillation of second-order neutral delay differential equations. [PDF]

open access: yesJ Inequal Appl, 2018
The paper is devoted to the study of oscillation of solutions to a class of second-order half-linear neutral differential equations with delayed arguments.
Grace SR   +3 more
europepmc   +2 more sources

The generic multiplicity-induced-dominancy property from retarded to neutral delay-differential equations: When delay-systems characteristics meet the zeros of Kummer functions [PDF]

open access: yesComptes rendus. Mathematique, 2021
In this paper, which is a direct continuation and generalization of the recent works by the authors [https://doi.org/10.1051/cocv/2019073, https://doi.org/10.1016/j.jde.2021.03.003], we show the validity of the generic multiplicity-induced-dominancy ...
Islam Boussaada   +2 more
semanticscholar   +1 more source

Some New Oscillation Criteria of Even-Order Quasi-Linear Delay Differential Equations with Neutral Term

open access: yesMathematics, 2021
The neutral delay differential equations have many applications in the natural sciences, technology, and population dynamics. In this paper, we establish several new oscillation criteria for a kind of even-order quasi-linear neutral delay differential ...
Rongrong Guo, Qingdao Huang, Qingmin Liu
doaj   +1 more source

New Criteria for Sharp Oscillation of Second-Order Neutral Delay Differential Equations

open access: yesMathematics, 2021
In this paper, new oscillation criteria for second-order half-linear neutral delay differential equations are established, using a recently developed method of iteratively improved monotonicity properties of a nonoscillatory solution. Our approach allows
I. Jadlovská
semanticscholar   +1 more source

On the Oscillation of Impulsive Neutral First-order Differential Equations with Variable Arguments

open access: yesJournal of Scientific Research in Science, 2022
Throughout the article, we study the oscillation of a general class of first-order neutral differential equations in presence of variable delays under the effect of impulses.
S. Euat Tallah   +2 more
doaj   +1 more source

Numerical Solutions of a Differential System Considering a Pure Hybrid Fuzzy Neutral Delay Theory

open access: yesElectronics, 2022
In this paper, we propose and derive a new system called pure hybrid fuzzy neutral delay differential equations. We apply the classical fourth-order Runge–Kutta method (RK-4) to solve the proposed system of ordinary differential equations.
Prasantha Bharathi Dhandapani   +4 more
semanticscholar   +1 more source

Exact Controllability Results for Sobolev-Type Hilfer Fractional Neutral Delay Volterra-Fredholm Integro-Differential Systems

open access: yesFractal and Fractional, 2022
This manuscript mainly focuses on the exact controllability of Sobolev-type Hilfer fractional neutral delay Volterra-Fredholm integro-differential systems.
V. Vijayakumar   +2 more
semanticscholar   +1 more source

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