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Open Access Publications from the University of California

On the uniqueness of weak solutions to the Ericksen–Leslie liquid crystal model in ℝ2

  • Author(s): Li, J
  • Titi, ES
  • Xin, Z
  • et al.

© 2016 World Scientific Publishing Company This paper concerns the uniqueness of weak solutions to the Cauchy problem to the Ericksen–Leslie system of liquid crystal models in ℝ2, with both general Leslie stress tensors and general Oseen–Frank density. It is shown here that such a system admits a unique weak solution provided that the Frank coefficients are close to some positive constant. One of the main ideas of our proof is to perform suitable energy estimates at the level one order lower than the natural basic energy estimates for the Ericksen–Leslie system.

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