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− | [[Image:leyffer.jpg|thumb| | + | [[Image:leyffer.jpg|thumb|130px|Sven Leyffer]] |

I am a senior computational mathematician and part of the Laboratory for Advanced Numerical Simulations ([http://www.mcs.anl.gov/research/group_detail.php?id=4 LANS]) in the [http://www.mcs.anl.gov/ Mathematics and Computer Science Division] at [http://www.anl.gov/ Argonne National Laboratory], and a Senior Fellow of the [http://www.ci.uchicago.edu/ Computation Institute]. | I am a senior computational mathematician and part of the Laboratory for Advanced Numerical Simulations ([http://www.mcs.anl.gov/research/group_detail.php?id=4 LANS]) in the [http://www.mcs.anl.gov/ Mathematics and Computer Science Division] at [http://www.anl.gov/ Argonne National Laboratory], and a Senior Fellow of the [http://www.ci.uchicago.edu/ Computation Institute]. | ||

## Revision as of 21:49, 22 November 2013

I am a senior computational mathematician and part of the Laboratory for Advanced Numerical Simulations (LANS) in the Mathematics and Computer Science Division at Argonne National Laboratory, and a Senior Fellow of the Computation Institute.

**Research Statement:**

*I am interested in the development of reliable methods for solving large-scale nonlinear optimization problems and in the implementation and analysis of filter type algorithms. This forms the basis from which I am extending nonlinear optimization methodologies to emerging areas such as mixed-integer nonlinear optimization and optimization problems with complementarity constraints.*

**Links:**

Current Research Interests & Testproblem Libraries

Publications & Preprints

Software (under construction)

NEOS server the ubiquitous online source for optimization

Views-and-News the newsletter for the SIAM Activity Group on Optimization.

**Student and Postdoc Opportunities:**

Postdoctoral Associates in Mathematical Optimization

J. H. Wilkinson Fellowship in Scientific Computing

Givens Associates

**LANS Seminars:**

LISTn: LANS Informal Talks Network, see also the LISTn google calendar

**Book**

Jon Lee and Sven Leyffer (Eds). *Mixed Integer Nonlinear Programming*, in The IMA Volumes in Mathematics and its Applications, Vol. 154, Springer, 2012.

**Contact:**

Sven Leyffer (see my google calendar for busy times)

Mathematics and Computer Science Division

Argonne National Laboratory

Argonne, Il 60439, USA

E-mail: leyffer at mcs.anl.gov

Phone: (630) 252-4698; Fax: (630) 252-5986

Some old personal stuff about Gwen & Sven Leyffer.