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The nonlinear membrane energy: variational derivation under the constraint "det\nabla u>0"

Omar Anza Hafsa·Jean-Philippe Mandallena
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Abstract

In [4] we gave a variational definition of the nonlinear membrane energy under the constraint "det\nabla u\not=0". In this paper we obtain the nonlinear membrane energy under the more realistic constraint "det\nabla u>0".

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Omar Anza Hafsa, Jean-Philippe Mandallena. 2006-06-07. The nonlinear membrane energy: variational derivation under the constraint "det\nabla u>0". https://arxiv.org/abs/math/0507310

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