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2017 KAIST Math. Colloquium 



액정의 수학적 이론의 현재 추세 

박진해 (Chungnam National University ) 
Liquid crystal is a state of matter between isotropic fluid and crystalline solid, which has properties of both liquid and solid. In a liquid crystal phase, molecules tend to align a preferred direction and molecules are described by a symmetric traceless 3x3 matrix which is often called a second order tensor. Equilibrium states are corresponding to minimizers of the governing Landaude Gennes energy which plays an important role in mathematical theory of liquid crystals. In this talk, I will present a brief introduction to Landaude Gennes theory and recent development of mathematical theory together with interesting mathematical questions. 







