Convex relaxation and variational approximation of functionals defined on 1-dimensional connected sets
Mauro Bonafini, Giandomenico Orlandi, Édouard Oudet · Rendiconti Lincei Matematica e Applicazioni · 2018
In this short note we announce the main results of [2] about variational problems involving 1-dimensional connected sets in the Euclidean plane, such as for example the Steiner tree problem and the irrigation (Gilbert–Steiner) problem.