The augmented system variant of IPMs in two-stage stochastic linear programming computation. (Working paper of the Laboratory of Operations Research and Decision Systems (LORDS) WP 95-11.)
On the sparsity issues of interior point methods for quadratic programming. (Working paper of the Laboratory of Operations Research and Decision Systems, (LORDS) WP 98-4.)
Fast Cholesky factorization for interior point methods of linear programming.(Working paper of the Laboratory of Operations Research and Decision Systems (LORDS) WP 94-5.)