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Relaxation of multiple integrals in the space BV(Ω, RP)

Published online by Cambridge University Press:  14 November 2011

Irene Fonseca
Affiliation:
Department of Mathematics, Carnegie Mellon University, Pittsburgh, PA 15213, U.S.A.
Piotr Rybka
Affiliation:
Department of Mathematics, Carnegie Mellon University, Pittsburgh, PA 15213, U.S.A.

Synopsis

A characterisation of the surface energy density for the relaxation in V(Ω; Rp) of the functional

is obtained. A lemma of De Giorgi is used to modify a sequence near the boundary without increasing its total energy.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1992

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