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.)
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.)
A numerically exact implementation of the simplex method. (Working paper of the Laboratory of Operations Research and Decision Systems (LORDS) WP 93-10.)
On a property of the Cholesky factorization and its consequences for interior point methods. ( Working paper of the Laboratory of Operations Research and Decision Systems, (LORDS) WP 98-7.)