Published Paper
Inserted: 11 nov 2009
Journal: J. Convex Anal.
Volume: 16
Number: 2
Pages: 287-320
Year: 2009
Abstract:
We consider weak solutions of second order nonlinear elliptic systems in divergence form or of quasi-convex variational integrals with continuous coefficients under superquadratic growth conditions. Via the method of $\mathcal{A}$-harmonic approximation we give a characterization of regular boundary points using and extending some new techniques recently developed by M. Foss & G. Mingione.
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