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New paper about interior-point methods accepted in the European Journal on Operational Research

A new paper about interior-point methods has been accepted for publication:

S. Bocanegra, J. Castro, A.R.L. Oliveira, Improving an interior-point approach for large block-angular problems by hybrid preconditioners, European Journal of Operational Research, accepted, in press. Previously appeared as
Research Report DR 2012/06, Dept. of Statistics and Operations Research, Universitat Politècnica de Catalunya, 2012.