Results 81 to 90 of about 6,821,838 (248)

Questions concerning differential-algebraic operators: Toward a reliable direct numerical treatment of differential-algebraic equations [PDF]

open access: yesarXiv, 2019
The nature of so-called differential-algebraic operators and their approximations is constitutive for the direct treatment of higher-index differential-algebraic equations. We treat first-order differential-algebraic operators in detail and contribute to justify the overdetermined polynomial collocation applied to higher-index differential-algebraic ...
arxiv  

Oscillation for a Class of Fractional Differential Equation

open access: yes, 2013
We consider the oscillation for a class of fractional differential equation for where is a real number and is the Liouville right-sided fractional derivative of order of .
Z. Han, Yige Zhao, Ying Sun, Chao Zhang
semanticscholar   +1 more source

Qualitative investigation of the solutions to differential equations. (Application of the skew-symmetric differential forms) [PDF]

open access: yesarXiv, 2004
The presented method of investigating the solutions to differential equations is not new. Such an approach was developed by Cartan in his analysis of the integrability of differential equations. Here this approach is outlined to demonstrate the role of skew-symmetric differential forms.
arxiv  

On the Oscillation of the Generalized Food-Limited Equations with Delay

open access: yesAceh International Journal of Science and Technology, 2012
The objective of the paper is to find conditions for the oscillation of the food-limited equation. We established conditions for the oscillation of all solutions of the generalized foodlimited equation by transforming the equation to a non-linear delay ...
Bamaina M. Muhammad   +2 more
doaj  

Existence of Solution to Nonlinear Third-Order Differential Equation and Iterative Method Utilization via Graph-Based Contraction

open access: yesMathematics
A new kind of graph-based contraction in a metric space is introduced in this article. We investigate results concerning the best proximity points and fixed points for these contractions, supported by illustrated examples.
Kanyuta Poochinapan   +3 more
doaj   +1 more source

Compact integral manifolds of differential systems [PDF]

open access: yesarXiv, 2010
The boundedness tests for the number of compact integral manifolds of autonomous ordinary differential systems, of autonomous total differential systems, of linear systems of partial differential equations, of Pfaff systems of equations, and of systems of exterior differential equations are proved.
arxiv  

Mean-field approximation of counting processes from a differential equation perspective

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2016
Deterministic limit of a class of continuous time Markov chains is considered based purely on differential equation techniques. Starting from the linear system of master equations, ordinary differential equations for the moments and a partial ...
Dávid Kunszenti-Kovács, Péter Simon
doaj   +1 more source

The Fokker-Planck Equation

open access: yes, 2010
In 1984, H. Risken authored a book (H. Risken, The Fokker-Planck Equation: Methods of Solution, Applications, Springer-Verlag, Berlin, New York) discussing the Fokker-Planck equation for one variable, several variables, methods of solution and its ...
S. Sharma, H. Patel
semanticscholar   +1 more source

Strong Law of Large Numbers for Solutions of Non-Autonomous Stochastic Differential Equations

open access: yesНаукові вісті Національного технічного університету України "Київський політехнічний інститут", 2017
Background. Asymptotic behavior at infinity of non-autonomous stochastic differential equation solutions is studied in the paper.  Objective. The aim of the work is to find sufficient conditions for the strong law of large numbers for a random process ...
Oleg I. Klesov   +2 more
doaj   +1 more source

Differential Equations Compatible with KZ Equations [PDF]

open access: yesarXiv, 2000
We define a system of "dynamical" differential equations compatible with the KZ differential equations. The KZ differential equations are associated to a complex simple Lie algebra $\mathbf{g}$. These are equations on a function of $n$ complex variables $z_i$ taking values in the tensor product of $n$ finite dimensional $\mathbf{g}$-modules.
arxiv  

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