@ARTICLE{WinTitAbs2014, author = "Luke B. Winternitz and André L. Tits and P.-A. Absil", title = "Addressing rank degeneracy in constraint-reduced interior-point methods for linear optimization", fjournal = "Journal of Optimization Theory and Applications", journal = "J. Optim. Theory Appl.", year = 2014, volume = 160, issue = 1, pages = "127--157", doi = "10.1007/s10957-013-0323-7", }