Results 101 to 110 of about 1,106 (205)

Controllability of impulsive functional differential systems with nonlocal conditions

open access: yesElectronic Journal of Differential Equations, 2013
In this article, we study the controllability of impulsive functional differential equations with nonlocal conditions. We establish sufficient conditions for controllability, via the measure of noncompactness and Monch fixed point theorem.
Yansheng Liu, Donal O'Regan
doaj  

Existence of solutions for differential inclusions on closed moving constraints in Banach spaces

open access: yesElectronic Journal of Differential Equations, 2009
In this paper, we prove the existence of solutions to a multivalued differential equation with moving constraints. We use a weak compactness type condition expressed in terms of a strong measure of noncompactness.
Adel Mahmoud Gomaa
doaj  

On a Nonlinear Integral Equation with Contractive Perturbation

open access: yesAdvances in Difference Equations, 2011
We get an existence result for solutions to a nonlinear integral equation with contractive perturbation by means of Krasnoselskii's fixed point theorem and especially the theory of measure of weak noncompactness.
Zhu Huan
doaj  

Measures of noncompactness for elements of C^*-algebras [PDF]

open access: yesAnnales Academiae Scientiarum Fennicae Series A I Mathematica, 1981
openaire   +3 more sources

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