On free variables in interior point methods. (Technical report of Imperial College of Science, Technology and Medicine. Department of Computing, DOC 97/4.)
A respository of convex quadratic programming problems. (Technical report of Imperial College of Science, Technology and Medicine. Department of Computing, DOC 97/6.)
Detecting �dense� columns in linear programs for interior point methods.
(Working paper of the Laboratory of Operations Research and Decision Systems. (LORDS)WP05-5.)