BMO ε-regularity results for solutions to Legendre–Hadamard elliptic systems
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Date
2023-06-03
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Abstract
We will establish an ε-regularity result for weak solutions to Legendre–Hadamard elliptic systems, under the a-priori assumption that the gradient ∇u is small in BMO. Focusing on the case of Euler–Lagrange systems to simplify the exposition, regularity results will be obtained up to the boundary, and global consequences will be explored. Extensions to general quasilinear elliptic systems and higher-order integrands is also discussed.