Universal mixers in all dimensions
Universal mixers in all dimensions
复制标题
各种尺寸的通用搅拌机
DOI:
10.1016/j.aim.2019.106807
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发表时间:
2019
影响因子:
1.7
通讯作者:
Zlatoš, Andrej
中科院分区:
文献类型:
--
作者:
Elgindi, Tarek M.;Zlatoš, Andrej
We construct universal mixers, incompressible flows that mix arbitrarily well general solutions to the corresponding transport equation, in all dimensions. This mixing is exponential in time (ie, essentially optimal) for any initial condition with at least some regularity, and we also show that a uniform mixing rate for all initial conditions cannot be achieved. The flows are time periodic and uniformly-in-time bounded in spaces W s, p for a range of (s, p) that includes points with s> 1 and p> 2.
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