Le Thi, H.A.; Pham Dinh, T.; Le, H.M.; Vo, X.T. - In: European Journal of Operational Research 244 (2015) 1, pp. 26-46
Sparse optimization refers to an optimization problem involving the zero-norm in objective or constraints. In this paper, nonconvex approximation approaches for sparse optimization have been studied with a unifying point of view in DC (Difference of Convex functions) programming framework....