We consider local minimizers for a class of 1-homogeneous integral functionals defined on BVloc(Omega), with Omega subset of R-2. Under general assumptions on the functional, we prove that the boundary of the subgraph of such minimizers is (locally) a lipschitz graph in a suitable direction. The proof of this statement relies on a regularity result holding for boundaries in R-2 which minimize an anisotropic perimeter. This result is applied to the boundary of sublevel sets of a minimizer u is an element of BV_loc(Omega).
Regularity results for some 1-homogeneous functionals
NOVAGA, MATTEO;
2002
Abstract
We consider local minimizers for a class of 1-homogeneous integral functionals defined on BVloc(Omega), with Omega subset of R-2. Under general assumptions on the functional, we prove that the boundary of the subgraph of such minimizers is (locally) a lipschitz graph in a suitable direction. The proof of this statement relies on a regularity result holding for boundaries in R-2 which minimize an anisotropic perimeter. This result is applied to the boundary of sublevel sets of a minimizer u is an element of BV_loc(Omega).File in questo prodotto:
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