Results 1 to 10 of about 7,785,042 (211)

A Nonoscillatory Second-Order Time-Stepping Procedure for Reaction-Diffusion Equations

open access: yesComplexity, 2020
After a theory of morphogenesis in chemical cells was introduced in the 1950s, much attention had been devoted to the numerical solution of reaction-diffusion (RD) partial differential equations (PDEs).
Philku Lee   +2 more
doaj   +2 more sources

Nonoscillatory solutions of the four-dimensional difference system

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2012
We study asymptotic properties of nonoscillatory solutions for a four-dimensional system \[\begin{aligned} \Delta x_{n}&= C_{n}\, y_{n}^{\frac{1}{\gamma}} \\ \Delta y_{n}&= B_{n}\, z_{n}^{\frac{1}{\beta}} \\ \Delta z_{n}&= A_{n}\, w_{n}^{\frac{1}{\alpha}}
Zuzana Dosla, J. Krejčová
doaj   +2 more sources

Recessive solutions for nonoscillatory discrete symplectic systems

open access: yesLinear Algebra and its Applications, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Peter Šepitka, R. Hilscher
semanticscholar   +2 more sources

Bounded nonoscillatory solutions of neutral type difference systems

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2009
This paper deals with the existence of a bounded nonoscillatory solution of nonlinear neutral type difference systems. Examples are provided to illustrate the main results.
Ethiraju Thandapani   +2 more
doaj   +3 more sources

Analytic solution of an oscillatory migratory alpha^2 stellar dynamo [PDF]

open access: yes, 2017
Analytic solutions of the mean-field induction equation predict a nonoscillatory dynamo for homogeneous helical turbulence or constant alpha effect in unbounded or periodic domains. Oscillatory dynamos are generally thought impossible for constant alpha.
Brandenburg, Axel
core   +2 more sources

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
Irena Jadlovská
doaj   +1 more source

Oscillation and Asymptotic Behavior of Three-Dimensional Third-Order Delay Systems

open access: yesInternational Journal of Differential Equations, 2023
In this paper, oscillation and asymptotic behavior of three-dimensional third-order delay systems are discussed. Some sufficient conditions are obtained to ensure that every solution of the system is either oscillatory or nonoscillatory and converges to ...
Ahmed Abdulhasan Naeif   +1 more
doaj   +1 more source

Nonoscillatory Properties of Fourth Order Nonlinear Neutral Differential equation

open access: yesIraqi Journal of Science, 2023
    In this paper, the oscillatory and nonoscillatory qualities for every solution of fourth-order neutral delay equation are discussed. Some conditions are established to ensure that all solutions are either oscillatory or approach to zero as .
I. Z. Mushtt   +2 more
semanticscholar   +1 more source

On nonoscillatory solutions of differential inclusions [PDF]

open access: yesProceedings of the American Mathematical Society, 2002
This paper introduces a nonoscillatory theory for differential inclusions based on fixed point theory for multivalued maps.
Agarwal, R.P., Grace, S.R., O'Regan, D.
openaire   +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

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