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* [http://wiki.mcs.anl.gov/NEOS/index.php/NEOS_Wiki NEOS wiki] the ubiquitous online source for optimization
 
 
* [[Sven Leyffer's Research|Current Research Interests & Testproblem Libraries]]
 
* [[Sven Leyffer's Research|Current Research Interests & Testproblem Libraries]]
* [http://www.mcs.anl.gov/research/LANS/events/listn/ LANS Informal Seminar Series], see  also [http://www.google.com/calendar/embed?src=e8r9gll7mc180cf279n49ancio%40group.calendar.google.com&ctz=America/Chicago the LISTn google calendar]
 
 
* [[Sven Leyffer's Publications|Publications & Preprints]]
 
* [[Sven Leyffer's Publications|Publications & Preprints]]
 
* [[Sven Leyffer's Software|Software (under construction)]]
 
* [[Sven Leyffer's Software|Software (under construction)]]
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* [http://wiki.mcs.anl.gov/NEOS/index.php/NEOS_Wiki NEOS wiki] the ubiquitous online source for optimization
 
* [http://wiki.mcs.anl.gov/NEOS/index.php/SIAG/Optimization_View_and_News SIAG/OPT Views-and-News] the newsletter for the [http://www.siam.org/activity/optimization/ SIAM Activity Group on Optimization].
 
* [http://wiki.mcs.anl.gov/NEOS/index.php/SIAG/Optimization_View_and_News SIAG/OPT Views-and-News] the newsletter for the [http://www.siam.org/activity/optimization/ SIAM Activity Group on Optimization].
 +
* [http://www.mcs.anl.gov/research/LANS/events/listn/ LANS Informal Seminar Series], see  also [http://www.google.com/calendar/embed?src=e8r9gll7mc180cf279n49ancio%40group.calendar.google.com&ctz=America/Chicago the LISTn google calendar]
  
 
''Contact:''<br>
 
''Contact:''<br>

Revision as of 21:15, 24 February 2009

I am a 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 Fellow of the Computation Institute.

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.

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.