Author： Cheban D.N.
Publisher： Springer Publishing Company
ISSN： 1040-7294
Source： Journal of Dynamics and Differential Equations, Vol.13, Iss.1, 2001-01, pp. : 185-213
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Abstract
The effects of discretization on the nonautonomous pullback attractors of skew-product flows generated by a class of dissipative differential equations, are investigated, It is assumed that the vector, field of the differential equations varies in time due to the input of an autonomous dynamical system acting on a compact metric space. In particular, it is shown that the corresponding discrete time skew-product system generated by a one-step numerical scheme with variable timesteps also has a pullback attractor, the component subsets of which converge upper semicontinuously to their counterparts of the pullback attractor of the original continuous time system.
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