Exponential averaging for traveling wave solutions in rapidly varying periodic media

Exponential averaging for traveling wave solutions in rapidly varying periodic media
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快速变化的周期性介质中行波解的指数平均

DOI:
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发表时间:
2007
期刊:
影响因子:
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通讯作者:
H. Uecker
H. Uecker
中科院分区:
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文献类型:
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作者:
Karsten Matthies;G. Schneider;H. Uecker

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圆柱域上的反应扩散系统的项在无界方向上快速且周期性地变化,可以通过平均技术进行分析。在这里,使用迭代范式变换和有界解的 Gevrey 正则性,我们证明了此类系统的指数平均结果,即我们证明行波解可以通过空间齐次方程和指数小余数来描述。 (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA,魏因海姆)
Reaction diffusion systems on cylindrical domains with terms that vary rapidly and periodically in the unbounded direction can be analyzed by averaging techniques. Here, using iterated normal form transformations and Gevrey regularity of bounded solutions, we prove a result on exponential averaging for such systems, i.e., we show that traveling wave solutions can be described by a spatially homogenous equation and exponentially small remainders. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)