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Published online by Cambridge University Press: 28 March 2008
In this paper we study the lower semicontinuous envelope with respect to
the L1-topology of a class of isotropic functionals with linear
growth defined on mappings from the n-dimensional ball into
${\mathbb R}^{N}$ that are constrained to take values into a smooth
submanifold ${\cal Y}$
of ${\mathbb R}^{N}$
.