Daniel Ralph, Oliver Stein. The C-Index: A New Stability Concept for Quadratic Programs with Complementarity Constraints. Math. Oper. Res., 36(3):504-526, 2011. [doi]
@article{RalphS11, title = {The C-Index: A New Stability Concept for Quadratic Programs with Complementarity Constraints}, author = {Daniel Ralph and Oliver Stein}, year = {2011}, doi = {10.1287/moor.1110.0501}, url = {http://dx.doi.org/10.1287/moor.1110.0501}, researchr = {https://researchr.org/publication/RalphS11}, cites = {0}, citedby = {0}, journal = {Math. Oper. Res.}, volume = {36}, number = {3}, pages = {504-526}, }