The active-set constraints for the Lasso path
Lasso active-set constraints. The Lasso choice must satisfy A1⊆A{\mathcal A}_1\subseteq {\mathcal A}A1⊆A and A⊆A10{\mathcal A}\subseteq {\mathcal A}_{10}A⊆A10; moreover, wAw_{\mathcal A}wA cannot…