1. Lee, G.M., Tam, N.N., Yen, N.D.: Quadratic Programming and Affine Variational Inequalities A Qualitative Study. Springer, New York (2005)
2. Sun, J.: On monotropic piecewise quadratic programming. Ph.D. dissertation, Department of Applied Mathematics, University of Washington, Seattle (1986)
3. Sun, J.: On the structure of convex piecewise quadratic functions. J. Optim. Theory Appl. 72, 499–510 (1992)
4. Rockafellar, R.T., Wets, R.J.B.: Variational Analysis: Grundlehren der mathematischen Wissenschaften, vol. 317. Springer, Berlin (2009). Third printing
5. Burke, J.V., Engle, A.: Strong metric (sub)regularity of KKT mappings for piecewise linear-quadratic convex-composite optimization (2018). arXiv:1805.01073