N. I. M. Gould and S. Leyffer. An introduction to algorithms for nonlinear optimization. In J. F. Blowey, A. W. Craig, and T. Shardlow, Frontiers in Numerical Analysis, pages 109-197. Springer Verlag, Berlin, 2003.
R. Fletcher and S. Leyffer. Filter-type algorithms for solving systems of algebraic equations and inequalities. In G. di Pillo and A. Murli, editors, High Performance Algorithms and Software for Nonlinear Optimization, pages 259–278. Kluwer, 2003.
S. Leyffer. Generalized outer approximation. In C. A. Floudas and P. M. Pardalos, editors, Encyclopedia of Optimization, volume 2, pages 247–254. Kluwer, 2001.
R. Fletcher A. Grothey and S. Leyffer. Computing sparse Hessian and Jacobian approximations with optimal hereditary properties, in Large-Scale Optimization with Applications, Part II: Optimal Design and Control, editors L.T. Biegler, T.F. Coleman, A.R. Conn and F.N. Santosa, 1997.
R. Fletcher and S. Leyffer. Solving Mixed Integer Nonlinear Programs by outer approximation, Mathematical Programming 66, pages 327--349, 1994
Chungen Chen, Roger Fletcher, and Sven Leyffer. A Nonmonotone Filter Method for Nonlinear Optimization. Preprint ANL/MCS-P1679-0909, Argonne National Laboratory, Mathematics and Computer Science Division, September 2009.
Mine Altunay, Sven Leyffer, Jeffrey T. Linderoth, and Zhen Xie. Optimal Security Response to Attacks on Open Science Grids. Preprint ANL/MCS-P1593-0309, Argonne National Laboratory, Mathematics and Computer Science Division, March 2009.
Donald A. Hanson, Yaroslav Kryukov, Sven Leyffer, and Todd S. Munson. Optimal Control Model of Technology Penetration. Preprint ANL/MCS-P1544-0908, Argonne National Laboratory, Mathematics and Computer Science Division, September 2008.
Sven Leyffer and Todd S. Munson. A Globally Convergent Filter Method for MPECs. Preprint ANL/MCS-P1457-0907, Argonne National Laboratory, Mathematics and Computer Science Division, September 2007.
Michael P. Friedlander, Nick I. M. Gould, Sven Leyffer, and Todd S. Munson. A Filter Active-Set Trust-Region Method. Preprint ANL/MCS-P1456-0907, Argonne National Laboratory, Mathematics and Computer Science Division, September 2007.
S. Leyffer and T. S. Munson. Solving Multi-Leader-Follower Games. Preprint ANL/MCS-P1243-0405, Argonne National Laboratory, Mathematics and Computer Science Division, April 2005.