Classical solutions for the compressible liquid crystal flows with nonnegative initial densities

Classical solutions for the compressible liquid crystal flows with nonnegative initial densities
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非负初始密度可压缩液晶流的经典解

DOI:
10.1016/j.jmaa.2012.08.010
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发表时间:
2013-01
影响因子:
1.3
通讯作者:
Shixiang Ma
Shixiang Ma
中科院分区:
数学3区
文献类型:
--
作者:
Shixiang Ma

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本文研究了简化Ericksen-Leslie方程组在R3中的Cauchy问题。我们首先证明了强解的局部存在性,只要数据满足自然相容条件。然后,通过对解在t>0时的光滑效应的推导,我们得出结论:在某个时间区间[0,T0]上,它确实是经典的.这里我们不需要初始密度在远离零的范围内有界的条件。
In this paper, we study the Cauchy problem of the simplified Ericksen–Leslie system modeling compressible nematic liquid crystal flows in R3. We first prove the local existence of the strong solutions provided that the data satisfies a natural compatibility condition. Then by deriving the smoothing effect of the solution in t>0, we conclude that it is indeed classical on some time interval [0,T0]. Here we do not need the condition that initial density is bounded below away from zero.
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