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Regularity results for minimizers of (2, q)-growth functionals in the Heisenberg Group

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Abstract

We consider integral functionals in the Heisenberg group, whose convex C 2-integrand has quadratic growth from below, and growth of order q > 2 from above. We prove Hölder regularity for the full gradient of minimizers under the condition that q is less than an explicitly calculated dimension-dependent bound.

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Föglein, A. Regularity results for minimizers of (2, q)-growth functionals in the Heisenberg Group. manuscripta math. 133, 131–172 (2010). https://doi.org/10.1007/s00229-010-0366-0

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