Oscillation Theorems for Nonlinear Differential Equations of Fourth-Order
Mathematics, 2020 We study the oscillatory behavior of a class of fourth-order differential equations and establish sufficient conditions for oscillation of a fourth-order differential equation with middle term.
Osama Moaaz +3 more
doaj +4 more sources
Oscillatory Properties of Fourth-Order Advanced Differential Equations
Mathematics, 2023 This paper presents a study on the oscillatory behavior of solutions to fourth-order advanced differential equations involving p-Laplacian-like operator.
Alanoud Almutairi +3 more
doaj +4 more sources
New Oscillation Criteria for Advanced Differential Equations of Fourth Order
Mathematics, 2020 The main objective of this paper is to establish new oscillation results of solutions to a class of fourth-order advanced differential equations with delayed arguments.
Omar Bazighifan +2 more
doaj +4 more sources
Riccati Technique and Asymptotic Behavior of Fourth-Order Advanced Differential Equations
Mathematics, 2020 In this paper, we deal with the oscillation of fourth-order nonlinear advanced differential equations of the form r t y ‴ t α ′ + p t f y ‴ t + q t g y σ t = 0 .
Omar Bazighifan, Ioannis Dassios
doaj +4 more sources
Nonlinear Neutral Delay Differential Equations of Fourth-Order: Oscillation of Solutions
Entropy, 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
Ravi P. Agarwal +2 more
doaj +3 more sources
Oscillation of Fourth-Order Functional Differential Equations with Distributed Delay
Axioms, 2019 In this paper, the authors obtain some new sufficient conditions for the oscillation of all solutions of the fourth order delay differential equations.
Clemente Cesarano, Omar Bazighifan
doaj +3 more sources
Emden–Fowler-type neutral differential equations: oscillatory properties of solutions
Advances in Difference Equations, 2021 In this paper, we study the oscillation of a class of fourth-order Emden–Fowler delay differential equations with neutral term. Using the Riccati transformation and comparison method, we establish several new oscillation conditions.
Omar Bazighifan, Alanoud Almutairi
doaj +1 more source
Boundary Value Problems, 2022 In this paper, we discuss the oscillatory behavior of solutions of a class of Super-linear fourth-order differential equations with several sub-linear neutral terms using the Riccati and generalized Riccati transformations.
A. A. El-Gaber +2 more
doaj +1 more source
Weighted differential inequality and oscillatory properties of fourth order differential equations
Journal of Inequalities and Applications, 2021 In this paper, we investigate the oscillatory properties of two fourth order differential equations in dependence on boundary behavior of its coefficients at infinity. These properties are established based on two-sided estimates of the least constant of
Aigerim Kalybay +2 more
doaj +1 more source
Trainable fourth-order partial differential equations for image noise removal [PDF]
Iranian Journal of Numerical Analysis and Optimization, 2021 Image processing by partial differential equations (PDEs) has been an active topic in the area of image denoising, which is an important task in computer vision.
N. Khoeiniha, S.M. Hosseini, R. Davoudi
doaj +1 more source