Homogenization of fractional kinetic equations with random initial data
Resource
Electronic Journal of Probability. 16, Paper no. 32, 962-980
Journal
Electronic Journal of Probability
Pages
962-980
Date Issued
2011
Date
2011
Author(s)
Shieh, Narn-Rueih
Liu, G.-R.
Abstract
We present the small-scale limits for the homogenization of a class of spatial-temporal random fields; the field arises from the solution of a certain fractional kinetic equation and also from that of a related two-equation system, subject to given random initial data. The space-fractional derivative of the equation is characterized by the composition of the inverses of the Riesz potential and the Bessel potential. We discuss the small-scale (the micro) limits, opposite to the well-studied large-scale limits, of such spatial-temporal random field. Our scaling schemes involve both the Riesz and the Bessel parameters, and also involve the rescaling in the initial data; our results are completely new-type scaling limits for such random fields.
Type
journal article
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