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17.545  Articles
1 of 1.755 pages  |  10  records  |  more records»
In this paper, we establish some new sufficient conditions which guaranteethe boundedness and the uniform boundedness of solutions of certain nonlinearand nonautonomous differential equations of second order. By defining appropriateLiapunov functions, we ... see more

On zeros of solutions of nonlinear nonautonomous ordinary differential equations of second order.

Nonlinear nonautonomoua binary reaction-diffusion dynamical systems of partial differential equations (PDE) are considered. Stability criteria - via a nonautonomous L²-energy - are obtained. Applications to nonautonomous Lotka-volterra systems of PDEs and... see more

This paper deals with a nonautonomous differential equation, precompact in the sense of G.R. Sell and Z. Artstein. We investigate the eventual asymptotic stability and total stability of this equation with infinitesimal perturbations using Liapunov functi... see more

This paper deals with a nonautonomous differential equation, precompact in the sense of G.R. Sell and Z. Artstein. We investigate the eventual asymptotic stability and total stability of this equation with infinitesimal perturbations using Liapunov functi... see more

Neuroprotection seeks to halt cell death after brain ischemia and has been shown to be possible in laboratory studies. However, neuroprotection has not been successfully translated into clinical practice, despite voluminous research and controlled clinica... see more

Background: The teaching of differential equations is dominated by an excessively algebraised analytic tradition. For this reason, studies that contribute to conceptualising mathematical objects associated with the differential equation are important, par... see more

This article shows results on the simulation of partial differential equations such as the heat equation, the Laplace equation and the wave equation in a course called mathematical methods at a university in Bogotá Colombia.. In this course, the concept o... see more

The validity of a standardised test is questioned if an irrelevant construct is accounted for the performance of examinees, which is wrongly modeled as the ability in the construct (test items). A test must ensure precision in the examinee's ability irres... see more

1 of 1.755 pages  |  10  records  |  more records»