Abstract
This paper is devoted to investigating the asymptotic properties of the renormalized solution to the viscosity equation ∂ t f ɛ + υ·▿ x f ɛ = Q(f ɛ ,f ɛ + ɛΔ υ f ɛ as ɛ → 0+ We deduce that the renormalized solution of the viscosity equation approaches to the one of the Boltzmann equation inL 1((0,T) × ℝN × ℝN). The proof is based on compactness analysis and velocity averaging theory.
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Supported by the Innovation Team Foundation of the Department of Education of Zhejiang Province (Grant No. T200924), and National Natural Science Foundation of China (Grant No. 11101140); the second author is supported by National Natural Science Foundation of China (Grant No. 11071119)
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Zheng, M.L., Yang, X.P. Viscosity analysis on the Boltzmann equation. Acta. Math. Sin.-English Ser. 28, 2139–2152 (2012). https://doi.org/10.1007/s10114-012-9582-8
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DOI: https://doi.org/10.1007/s10114-012-9582-8