Results 1 to 10 of about 134 (84)

Nonoscillation of damped linear differential equations with a proportional derivative controller and its application to Whittaker-Hill-type and Mathieu-type equations [PDF]

open access: yesOpuscula Mathematica, 2022
The proportional derivative (PD) controller of a differential operator is commonly referred to as the conformable derivative. In this paper, we derive a nonoscillation theorem for damped linear differential equations with a differential operator using ...
Kazuki Ishibashi
doaj   +1 more source

Hille-Nehari type oscillation and nonoscillation criteria for linear and half-linear differential equations [PDF]

open access: yesMATEC Web of Conferences, 2019
Differential equations attract considerable attention in many applications. In particular, it was found out that half-linear differential equations behave in many aspects very similar to that in linear case. The aim of this contribution is to investigate
Rˇ eznícˇková Jana
doaj   +1 more source

Wintner-type nonoscillation theorems for conformable linear Sturm-Liouville differential equations [PDF]

open access: yesOpuscula Mathematica
In this study, we addressed the nonoscillation of th Sturm-Liouville differential equation with a differential operator, which corresponds to a proportional-derivative controller. The equation is a conformable linear differential equation. A Wintner-type
Kazuki Ishibashi
doaj   +1 more source

Nonoscillation of higher order half-linear differential equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2015
We establish nonoscillation criteria for even order half-linear differential equations. The principal tool we use is the Wirtinger type inequality combined with various perturbation techniques.
Ondrej Dosly, Vojtěch Růžička
doaj   +1 more source

Asymptotic behavior of nonoscillatory solutions of higher-order integro-dynamic equations [PDF]

open access: yesOpuscula Mathematica, 2014
In this paper, we establish some new criteria on the asymptotic behavior of nonoscillatory solutions of higher-order integro-dynamic equations on time scales.
Martin Bohner   +2 more
doaj   +1 more source

Nonoscillation of Second-Order Dynamic Equations with Several Delays

open access: yesAbstract and Applied Analysis, 2011
Existence of nonoscillatory solutions for the second-order dynamic equation (A0xΔ)Δ(t)+∑i∈[1,n]ℕAi(t)x(αi(t))=0 for t∈[t0,∞)T is investigated in this paper.
Elena Braverman, Başak Karpuz
doaj   +1 more source

Explicit conditions for the nonoscillation of difference equations with several delays

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2013
We present a sharp explicit condition sufficient for the nonoscillation of solutions to a scalar linear nonautonomous difference equation with several delays.
Vera Malygina, Kirill Chudinov
doaj   +1 more source

On the Asymptotic Behavior of a Class of Second-Order Non-Linear Neutral Differential Equations with Multiple Delays

open access: yesAxioms, 2020
In this work, we present some new sufficient conditions for the oscillation of a class of second-order neutral delay differential equation. Our oscillation results, complement, simplify and improve recent results on oscillation theory of this type of non-
Shyam Sundar Santra   +2 more
doaj   +1 more source

Oscillation and Nonoscillatory Criteria of Higher Order Dynamic Equations on Time Scales

open access: yesMathematics, 2022
In this paper, we consider two universal higher order dynamic equations with several delay functions. We will establish two oscillatory criteria of the first equation and a sufficient and necessary condition for the second equation with a nonoscillatory ...
Ya-Ru Zhu   +4 more
doaj   +1 more source

Asymptotic behavior of solutions of sum-difference equations

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2023
In this study, we present an investigation of the asymptotic behavior of solutions of sum-difference equations. Based on some mathematical inequalities, we have obtained our results.
H. Adiguzel, E. Can
doaj   +1 more source

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