Local calibrations for minimizers of the
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Maria Giovanna Mora; Massimiliano Morini
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Article
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2001
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Elsevier Science
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English
β 360 KB
Using a calibration method, we prove that, if w is a function which satisfies all Euler conditions for the Mumford-Shah functional on a two-dimensional open set , and the discontinuity set S w of w is a regular curve connecting two boundary points, then there exists a uniform neighbourhood U of S w