Abstract
We prove higher integrability for the gradient of local minimizers of the Mumford–Shah energy functional, providing a positive answer to a conjecture of De Giorgi (Free discontinuity problems in calculus of variations. Frontiers in pure and applied mathematics, North-Holland, Amsterdam, pp 55–62, 1991).
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De Philippis, G., Figalli, A. Higher Integrability for Minimizers of the Mumford–Shah Functional. Arch Rational Mech Anal 213, 491–502 (2014). https://doi.org/10.1007/s00205-014-0729-x
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DOI: https://doi.org/10.1007/s00205-014-0729-x