系数非扩散标度下非局部卷积型算子抛物型问题的均匀化

IF 1.6 3区 数学 Q1 MATHEMATICS
A. Piatnitski, E. Zhizhina
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引用次数: 0

摘要

研究了形式为\(\partial _t u=L(t)u\)的非自治抛物方程的齐次化问题,该方程具有积分卷积型算子L(t),该算子具有空间变量和时间周期的非对称跳跃核。假设环境的时空尺度是非扩散的。我们证明了解的时空演化渐近解耦,并且均匀化结果在运动坐标系中成立。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Homogenization of parabolic problems for non-local convolution type operators under non-diffusive scaling of coefficients

We study homogenization problem for non-autonomous parabolic equations of the form \(\partial _t u=L(t)u\) with an integral convolution type operator L(t) that has a non-symmetric jump kernel which is periodic in spatial variables and in time. It is assumed that the space-time scaling of the environment is not diffusive. We show that asymptotically the spatial and temporal evolutions of the solutions are getting decoupled, and the homogenization result holds in a moving frame.

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来源期刊
Analysis and Mathematical Physics
Analysis and Mathematical Physics MATHEMATICS, APPLIED-MATHEMATICS
CiteScore
2.70
自引率
0.00%
发文量
122
期刊介绍: Analysis and Mathematical Physics (AMP) publishes current research results as well as selected high-quality survey articles in real, complex, harmonic; and geometric analysis originating and or having applications in mathematical physics. The journal promotes dialog among specialists in these areas.
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