Duality in quasi-Newton methods and new variational characterizations of the DFP and BFGS updates. - Osman Güler; Filiz Gürtuna; Olena Shevchenko (Optim. Methods Softw., 2009)

Duality of Ellipsoidal Approximations via Semi-Infinite Programming. - Filiz Gürtuna (SIAM J. Optim., 2009)

Corrector-predictor methods for sufficient linear complementarity problems. - Filiz Gürtuna; Cosmin G. Petra; Florian A. Potra; Olena Shevchenko; Adrian Vancea (Comput. Optim. Appl., 2011)

Symmetry of convex sets and its applications to the extremal ellipsoids of convex bodies. - Osman Güler; Filiz Gürtuna (Optim. Methods Softw., 2012)