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arXiv 1104.5683math.AP
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双折射液晶流的爆破判据

Blow up criterion for nematic liquid crystal flows

Tao Huang, Changyou Wang

摘要:

本文建立了二维和三维情形下模拟液晶流体动力学演化的Ericksen-Leslie系统的简化模型-液晶态的短时经典解的爆破判据。更准确地说,$0<T_*<+\infty$是最大时间间隔,当且仅当:(i)对于$n=3$,为$|ω|+|\nabla d|^2\notin L^1_tL^\infty_x(\mathbb R^3\times [0,T_*])$;(ii)对于$n=2$,为$|\nabla|^2\notin L^1_tL^\infty_x(\mathbb R^2\times [0,T_*])$。

英文摘要:

In this paper, we establish a blow up criterion for the short time classical solution of the nematic liquid crystal ow, a simplified version of Ericksen-Leslie system modeling the hydrodynamic evolution of nematic liquid crystals, in dimensions two and three. More precisely, $0<T_*<+\infty$ is the maximal time interval iff (i) for $n=3$, $|ω|+|\nabla d|^2\notin L^1_tL^\infty_x(\mathbb R^3\times [0,T_*])$, and (ii) for $n=2$, $|\nabla|^2\notin L^1_tL^\infty_x(\mathbb R^2\times [0,T_*])$.

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