Abstract
The M α energy which is usually minimized in branched transport problems among singular one-dimensional rectifiable vector measures is approximated by means of a sequence of elliptic energies defined on more regular vector fields. The procedure recalls the one of Modica-Mortola related to the approximation of the perimeter. In our context, the double-well potential is replaced by a concave term. The paper contains a proof of Γ−convergence and numerical simulations of optimal networks based on that previous result.
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Oudet, E., Santambrogio, F. A Modica-Mortola Approximation for Branched Transport and Applications. Arch Rational Mech Anal 201, 115–142 (2011). https://doi.org/10.1007/s00205-011-0402-6
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DOI: https://doi.org/10.1007/s00205-011-0402-6