On sensitivity analysis for a class of decision systems (revised version). (Working paper of the Laboratory of Operations Research and Decision Systems (LORDS) WP 93-7.)
A numerically exact implementation of the simplex method. (Working paper of the Laboratory of Operations Research and Decision Systems (LORDS) WP 93-10.)
Detecting �dense� columns in linear programs for interior point methods.
(Working paper of the Laboratory of Operations Research and Decision Systems. (LORDS)WP05-5.)