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Start Over Author "Amar, Micol" Publisher edp sciences
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4. LOWER SEMICONTINUITY AND RELAXATION RESULTS IN BV FOR INTEGRAL FUNCTIONALS WITH BV INTEGRANDS.

Author

Amar, Micol, De Cicco, Virginia, and Fusco, Nicola

Subjects
*FUNCTIONALS, *RELAXATION methods (Mathematics), *NUMERICAL analysis, *FUNCTIONAL analysis, *MATHEMATICAL functions
Abstract

New L¹-lower semicontinuity and relaxation results for integral functionals defined in BV(Ω) are proved, under a very weak dependence of the integrand with respect to the spatial variable x. More precisely, only the lower semicontinuity in the sense of the 1-capacity is assumed in order to obtain the lower semicontinuity of the functional. This condition is satisfied, for instance, by the lower approximate limit of the integrand, if it is BV with respect to x. Under this further BV dependence, a representation formula for the relaxed functional is also obtained. [ABSTRACT FROM AUTHOR]

Published
2008
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