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Existence and approximation for variational problems under uniform constraints on the gradient by power penalty

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2015
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Álvarez Daziano, Felipe
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Existence and approximation for variational problems under uniform constraints on the gradient by power penalty
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Author
  • Álvarez Daziano, Felipe;
  • Flores, Salvador;
Abstract
Variational problems under uniform quasi-convex constraints on the gradient are studied. Our technique consists in approximating the original problem by a one-parameter family of smooth unconstrained optimization problems. Existence of solutions to the problems under consideration is proved as well as existence of Lagrange multipliers associated to the uniform constraint; no constraint qualification condition is required. The solution-multiplier pairs are shown to satisfy an Euler-Lagrange equation and a complementarity property. Numerical experiments confirm the ability of our method to accurately compute solutions and Lagrange multipliers.
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Institute on Complex Engineering Systems ICMP-05-004-F CONICYT FBO16 FONDECYT 1130176 CONICYT-Chile under grant FONDECYT 3120166
Identifier
URI: https://repositorio.uchile.cl/handle/2250/136132
DOI: DOI: 10.1137/140988619
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SIAM Journal on Mathematical Analysis Volumen: 47 Número: 5 (2015)
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