Results 31 to 40 of about 881,623 (280)

Oscillation Theorems for Advanced Differential Equations with p-Laplacian Like Operators

open access: yesMathematics, 2020
The main objective of this paper is to establish new oscillation results of solutions to a class of even-order advanced differential equations with a p-Laplacian like operator.
Omar Bazighifan, Poom Kumam
doaj   +1 more source

Neutral differential equations with noncanonical operator: Oscillation behavior of solutions

open access: yesAIMS Mathematics, 2021
The objective of this work is to study the oscillatory behavior of neutral differential equations with several delays. By using both Riccati substitution technique and comparison with delay equations of first-order, we establish new oscillation criteria.
Elmetwally M. Elabbasy   +4 more
doaj   +1 more source

Oscillation for neutral differential equations of canonical form of even-order

open access: yesAIMS Mathematics
In this article, I aimed to investigate the oscillatory properties of a novel class of neutral differential equations in their canonical form. I established new relationships between the solutions of the studied equation and their higher-order ...
Ali Algarni
doaj   +1 more source

Oscillatory theorems of a class of even-order neutral equations [PDF]

open access: yes, 2003
A class of even-order nonlinear neutral differential equations with distributed deviating arguments is studied, and oscillatory criteria for solutions of such equations are ...
Hale   +9 more
core   +1 more source

Oscillatory behavior of even-order nonlinear differential equations with a sublinear neutral term [PDF]

open access: yesOpuscula Mathematica, 2019
The authors present a new technique for the linearization of even-order nonlinear differential equations with a sublinear neutral term. They establish some new oscillation criteria via comparison with higher-order linear delay differential inequalities ...
John R. Graef   +2 more
doaj   +1 more source

An elementary representation of the higher-order Jacobi-type differential equation

open access: yes, 2017
We investigate the differential equation for the Jacobi-type polynomials which are orthogonal on the interval $[-1,1]$ with respect to the classical Jacobi measure and an additional point mass at one endpoint.
Markett, Clemens
core   +1 more source

The Method of Arbitrarily Large Moments to Calculate Single Scale Processes in Quantum Field Theory [PDF]

open access: yes, 2017
We device a new method to calculate a large number of Mellin moments of single scale quantities using the systems of differential and/or difference equations obtained by integration-by-parts identities between the corresponding Feynman integrals of loop ...
Blümlein, Johannes, Schneider, Carsten
core   +2 more sources

On the Oscillation of Even-Order Nonlinear Differential Equations with Mixed Neutral Terms

open access: yesJournal of Function Spaces, 2021
The oscillation of even-order nonlinear differential equations (NLDiffEqs) with mixed nonlinear neutral terms (MNLNTs) is investigated in this work. New oscillation criteria are obtained which improve, extend, and simplify the existing ones in other ...
Mohammed K. A. Kaabar   +4 more
doaj   +1 more source

Existence of minimal and maximal solutions to first--order differential equations with state--dependent deviated arguments

open access: yes, 2011
We prove some new results on existence of solutions to first--order ordinary differential equations with deviating arguments. Delay differential equations are included in our general framework, which even allows deviations to depend on the unknown ...
Figueroa, Rubén, Pouso, Rodrigo López
core   +1 more source

An Ensemble-Proper Orthogonal Decomposition Method for the Nonstationary Navier-Stokes Equations [PDF]

open access: yes, 2016
The definition of partial differential equation (PDE) models usually involves a set of parameters whose values may vary over a wide range. The solution of even a single set of parameter values may be quite expensive.
Gunzburger, Max   +2 more
core   +4 more sources

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