Linear programming as a tool for solving multi-project scheduling limited resource problems. (Working paper of the Laboratory of Operations Research and Decision Systems (LORDS) WP 94-12.)
Detecting �dense� columns in linear programs for interior point methods.
(Working paper of the Laboratory of Operations Research and Decision Systems. (LORDS)WP05-5.)
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.)