Lower semicontinuity and relaxation results in BV for integral functionals with BV integrands
Micol Amar, Virginia De Cicco, Nicola Fusco (2007)
ESAIM: Control, Optimisation and Calculus of Variations
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New -lower semicontinuity and relaxation results for integral functionals defined in BV() are proved, under a very weak dependence of the integrand with respect to the spatial variable . More precisely, only the lower semicontinuity in the sense of the -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 . Under this further...