hal-00813908 title_s Learning Heteroscedastic Models by Convex Programming under Group Sparsity auteur Arnak S. Dalalyan, Mohamed Hebiri, Katia Méziani, Joseph Salmon journal Proceedings of the 30 th International Conference on Machine Learning pages http://icml.cc/2013/?page_id=43 fichier_hal https://hal-enpc.archives-ouvertes.fr/hal-00813908/document annee 2013 Identifiant HAL 901132 839943 839944 839945