From Svenleyffer
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I am a computational mathematician in the [http://www-fp.mcs.anl.gov/division/welcome/default.asp Mathematics and Computer Science Division] at [http://www.anl.gov/ Argonne National Laboratory], and a Fellow of the [http://www.ci.uchicago.edu/ Computation Institute].
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[[Image:leyffer.jpg|thumb|150px|Sven Leyffer]]
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.
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I am a senior computational mathematician and part of the ([https://www.anl.gov/mcs/lans Laboratory for Applied Mathematics, Numerical Software, and Statistics (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].  
  
* [[Research|Current Research Interests & Testproblem Libraries]]
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'''Research Statement:'''<br>
* [http://www.mcs.anl.gov/research/LANS/events/listn/|LANS Informal Seminar Series]
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''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.''
* [[Publications|Publications & Preprints]]
 
* [[Software|Software (under construction)]]
 
* [http://wiki.mcs.anl.gov/NEOS/index.php/NEOS_Wiki NEOS wiki], an 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].
 
  
I belong to the Laboratory for Advanced Numerical Simulations ([http://www.mcs.anl.gov/research/group_detail.php?id=4 LANS]), and we run an informal seminar series
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'''Links:'''<br>
[http://www.mcs.anl.gov/research/LANS/events/listn/ LISTn: the LANS Informal Seminar Talks network]. You can import upcoming talks into you google calendar from [http://www.google.com/calendar/embed?src=e8r9gll7mc180cf279n49ancio%40group.calendar.google.com&ctz=America/Chicago the LISTn google calendar].
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[[Sven Leyffer's Research|Current Research Interests & Testproblem Libraries]]<br>
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[[Sven Leyffer's Publications|Publications & Preprints]]<br>
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[[Sven Leyffer's Software|Software (under construction)]]<br>
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[http://www.neos-server.org/neos/ NEOS server] the ubiquitous online source for optimization<br>
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[http://wiki.siam.org/siag-op/index.php/View_and_News Views-and-News] the newsletter for the [http://www.siam.org/activity/optimization/ SIAM Activity Group on Optimization].
  
''Contact:''<br>
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'''Student and Postdoc Opportunities:'''<br>
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[http://www.mcs.anl.gov/career-opportunities/givens-associates Givens Associates]
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'''LANS Seminars:'''<br>
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[http://www.mcs.anl.gov/research/LANS/events/listn/ LISTn: LANS Informal Talks Network], see  also [http://www.google.com/calendar/embed?src=e8r9gll7mc180cf279n49ancio%40group.calendar.google.com&ctz=America/Chicago the LISTn google calendar]
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[[Image:MINLP-Book.jpg|thumb|115px]]
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'''Book'''<br>
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Jon Lee and Sven Leyffer (Eds). [http://www.springer.com/mathematics/analysis/book/978-1-4614-1926-6 ''Mixed Integer Nonlinear Programming''], in The IMA Volumes in Mathematics and its Applications, Vol. 154, Springer, 2012.
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'''Contact:'''<br>
 
Sven Leyffer (see [http://www.google.com/calendar/embed?src=sven.leyffer@gmail.com&ctz=America/Chicago my google calendar] for busy times)<br>  
 
Sven Leyffer (see [http://www.google.com/calendar/embed?src=sven.leyffer@gmail.com&ctz=America/Chicago my google calendar] for busy times)<br>  
 
Mathematics and Computer Science Division<br>  
 
Mathematics and Computer Science Division<br>  
 
Argonne National Laboratory<br>  
 
Argonne National Laboratory<br>  
 
Argonne, Il 60439, USA<br>  
 
Argonne, Il 60439, USA<br>  
E-mail: [mailto:leyffer@mcs.anl.gov leyffer at mcs.anl.gov]<br>  
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E-mail: [mailto:leyffer@anl.gov leyffer at anl.gov]<br>  
 
Phone: (630) 252-4698; Fax: (630) 252-5986
 
Phone: (630) 252-4698; Fax: (630) 252-5986
 
Some old personal stuff about [https://home.comcast.net/~s.leyffer/ Gwen & Sven Leyffer].
 

Latest revision as of 16:07, 10 November 2019

Sven Leyffer

I am a senior computational mathematician and part of the (Laboratory for Applied Mathematics, Numerical Software, and Statistics (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:
Givens Associates

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

MINLP-Book.jpg

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 anl.gov
Phone: (630) 252-4698; Fax: (630) 252-5986