The calibration method for the Mumford-Shah functional and free-discontinuity problems
- Cite this article as:
- Alberti, G., Bouchitté, G. & Dal Maso, G. Calc Var (2003) 16: 299. doi:10.1007/s005260100152
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We present a minimality criterion for the Mumford-Shah functional, and more generally for non convex variational integrals on SBV which couple a surface and a bulk term. This method provides short and easy proofs for several minimality results.