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Second variation of liquid crystal energy at x [absolute value of x]

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journal contribution
posted on 1991-01-01, 00:00 authored by David Kinderlehrer, Biao Ou
Abstract: "A new and simplified proof of the sign of the second variation of the Oseen-Frank Energy in terms of the elastic constants is given. The proof relies on the frame indifference of the energy and a new expression for the second invariant null lagrangian as a surface integral."


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