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Nonoccurrence of the Lavrentiev phenomenon for nonconvex variational problems

Authors: Zaslavski, Alexander J.;

Nonoccurrence of the Lavrentiev phenomenon for nonconvex variational problems

Abstract

In this paper we establish nonoccurrence of the Lavrentiev phenomenon for two classes of nonconvex variational problems. For the first class of integrands we show the existence of a minimizing sequence of Lipschitzian functions while for the second class we establish that an infimum on the full admissible class is equal to the infimum on a set of Lipschitzian functions with the same Lipschitzian constant. Résumé Dans cet article nous démontrons que le phénomène de Lavrentiev pour deux classes de problèmes variationnels non convexes ne peut avoir lieu. Nous montrons, pour la première classe d'intégrands, l'existence d'une suite minimisante de fonctions lipschtziennes, alors que pour la seconde classe, nous démontrons qu'un infimum sur toute la classe admissible est égale a l'infimum sur un ensemble de fonctions lipschtziennes, avec la même constante de Lipschtiz.

Keywords

Lavrentiev phenomenon, Methods involving semicontinuity and convergence; relaxation, approximation in energy, Existence theories for free problems in one independent variable, Existence theories for problems in abstract spaces, Banach-valued functions, Mathematical Physics, Analysis

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
9
Average
Top 10%
Average
gold