Results 81 to 90 of about 4,699 (199)

Resonance phenomena in the second differential order equations with nonlinear impulsive effects

open access: yesElectronic Journal of Qualitative Theory of Differential Equations
In this paper, we discuss the resonance phenomena in linear and weakly nonlinear impulsive differential equations. Using a topological approach, we obtain the Landesman–Lazer type necessary and sufficient conditions for the existence of periodic ...
Fanfan Chen, Dingbian Qian, Nannan Xu
doaj   +1 more source

On Some New Impulsive Integral Inequalities

open access: yesJournal of Inequalities and Applications, 2008
We establish some new impulsive integral inequalities related to certain integral inequalities arising in the theory of differential equalities. The inequalities obtained here can be used as handy tools in the theory of some classes of impulsive ...
Jianli Li
doaj   +1 more source

Impulsive differential equations with initial data difference

open access: yes, 2011
In this paper, we present some results on impulsive differential inequalities and equations with initial and impulsive data ...
Skóra, Lidia
core   +1 more source

Piecewise weighted pseudo almost periodic solutions of impulsive integro-differential equations via fractional operators

open access: yesElectronic Journal of Differential Equations, 2015
In this article, we show sufficient conditions for the existence, uniqueness and attractivity of piecewise weighted pseudo almost periodic classical solution of nonlinear impulsive integro-differential equations.
Zhinan Xia, Dingjiang Wang
doaj  

Investigation of a Mild Solution to Coupled Systems of Impulsive Hybrid Fractional Differential Equations

open access: yesInternational Journal of Differential Equations, 2019
The study of coupled systems of hybrid fractional differential equations requires the attention of scientists for the exploration of their different important aspects.
Mohamed Hannabou, Hilal Khalid
doaj   +1 more source

Schauder’s fixed-point theorem in approximate controllability problems

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2016
The main objective of this article is to present the state of the art concerning approximate controllability of dynamic systems in infinite-dimensional spaces.
Babiarz Artur   +2 more
doaj   +1 more source

Stochastics integral equations with respect to semimartingales [PDF]

open access: yes
Stochastic integral equations were first developed by mathematicians as a tool for the explicit construction of the paths of diffusion processes for given coefficients of drift and diffusion. Since many physical, engineering, biological as well as social
Mao, Xuerong
core  

Strict stability of impulsive functional differential equations

open access: yes, 2005
Strict stability is the kind of stability that can give us some information about the rate of decay of the solutions. There are some results about strict stability of differential equations.
Zhang, Yu, Sun, Jitao
core   +1 more source

Theory and applications of first-order systems of Stieltjes differential equations

open access: yesAdvances in Nonlinear Analysis, 2017
We set up the basic theory of existence and uniqueness of solutions for systems of differential equations with usual derivatives replaced by Stieltjes derivatives.
Frigon Marlène, Pouso Rodrigo López
doaj   +1 more source

Almost periodic solutions of impulsive differential equations

open access: yes, 2012
Impulsive differential equations are suitable for the mathematical simulation of evolutionary processes in which the parameters undergo relatively long periods of smooth variation followed by short-term rapid changes (that is, jumps) in their values ...
Stamov, Gani T
core   +1 more source

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