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Pré-Publication, Document De Travail Année : 2022

Higher order homogenization for random non-autonomous parabolic operators

Résumé

We consider Cauchy problem for a divergence form second order parabolic operator with rapidly oscillating coefficients that are periodic in spatial variables and random stationary ergodic in time. As was proved in [24] and [12] in this case the homogenized operator is deterministic. The paper focuses on non-diffusive scaling, when the oscillation in spatial variables is faster than that in temporal variable. Our goal is to study the asymptotic behaviour of the normalized difference between solutions of the original and the homogenized problems.
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Dates et versions

hal-01419923 , version 1 (20-12-2016)
hal-01419923 , version 2 (29-11-2017)
hal-01419923 , version 3 (02-12-2022)

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Marina Kleptsyna, Andrey Piatnitski, Alexandre Popier. Higher order homogenization for random non-autonomous parabolic operators. 2022. ⟨hal-01419923v3⟩
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