A Newton Method for Convex Regression, Data Smoothing, and Quadratic Programming with Bounded Constraints. - Wu Li; John Swetits (SIAM J. Optim., 1993)

A Data Smoothing Technique for Piecewise Convex/Concave Curves. - Wu Li; Dayanand N. Naik; John Swetits (SIAM J. Sci. Comput., 1996)

A New Algorithm for Solving Strictly Convex Quadratic Programs. - Wu Li; John Swetits (SIAM J. Optim., 1997)

The Linear l1 Estimator and the Huber M-Estimator. - Wu Li; John Swetits (SIAM J. Optim., 1998)

Lipschitz continuity and Gateaux differentiability of the best approximation operator in vector-valued Chebyshev approximation. - Martin Bartelt; John Swetits (J. Approx. Theory, 2007)

Lipschitz continuity of the best approximation operator in vector-valued Chebyshev approximation. - Martin Bartelt; John Swetits (J. Approx. Theory, 2008)