The following publications are possibly variants of this publication:
- Inexact constraint preconditioners for linear systems arising in interior point methodsLuca Bergamaschi, Jacek Gondzio, Manolo Venturin, Giovanni Zilli. coap, 36(2-3):137-147, 2007. [doi]
- Preconditioning indefinite systems in interior point methods for large scale linear optimisationGhussoun Al-Jeiroudi, Jacek Gondzio, Julian Hall. oms, 23(3):345-363, 2008. [doi]
- Preconditioning Indefinite Systems in Interior Point Methods for OptimizationLuca Bergamaschi, Jacek Gondzio, Giovanni Zilli. coap, 28(2):149-171, 2004. [doi]