Minkowski symmetrization of star-shaped sets
Distributed preconditioning for sparse linear systems
Another preconditioner for sparse systems
Using bootstrap to test equality of covariance matrices
A second-order active set algorithm for l1-regularized optimization
Boosting in linear regression is related to subgradient optimization AdaBoost and Forward Stagewise Regression are First-Order Convex Optimization Methods
Duality between subgradient and conditional gradient methods