Monique Guignard-Spielberg
If you have missed the rescue of the 33 miners in the San Jose mine in Chile, here are videos that we'll never forget!
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Never give up!
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Professor of
Operations and Information Management,
The Wharton School
Professor of
Electrical and Systems Engineering,
School of Engineering and Applied Science
University of Pennsylvania

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general:
totally free, ad-free internet radio: viddiradio
search the web: http://www.alltheweb.com
another great search engine: http://megaspider.com/search.js
currency converter:
http://www.xe.com
news of all kinds:
http://www.yahoo.com and
http://www.yahoo.fr
for great information on available
flights:
http://www.itn.com
world time and time zones:http://www.timeanddate.com/worldclock,
my configuration for NJ time
an applet for time configuration: applet
the Philadelphians : http://www.philorch.org
Radio Beethoven, Santiago, Chile
Radio Beethoven
Radio Yahoo Radio Classical
the best weather channel :
http://www.wunderground.com/US/PA/Philadelphia.html
Optimization and Operations Research:
Operations Research: the science of better
:
http://www.theorsociety.com/Science_of_Better/htdocs/prospect/index.asp
OR directory (a bit out of date):
http://www.math.tu-bs.de/mo/orlistings.html
LP FAQs:
http://www-unix.mcs.anl.gov/otc/Guide/faq/linear-programming-faq.html
some free software by Prof. John O. McClain:
http://forum.johnson.cornell.edu/faculty/mcclain/Software/Software.htm
IFORS tutorial modules:http://www.ifors.org/tutorial/
benchmark for optimization software:
http://plato.la.asu.edu/bench.html The French OR Society
The European OR
Society The
international federation of OR societies The Canadian OR
Society OR Society of the US THE OR web page of
Michael
Trick e-optimization OR library of optimization
instances OR-library
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5th floor, JMHH
Department of OPIM
The Wharton School
University of Pennsylvania
Philadelphia, PA 19104-6340
Tel: (+1) 215 898 8235
Fax: (+1) 215 898 3664
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I am interested in theoretical as well as algorithmic modeling and application
aspects of integer programmming/combinatorial optimization. My current interests revolve
around the integration of tools from Lagrangean relaxation and its extensions, and column/cut
generation. Recently, I have been investigating the Convex Hull Relaxation (CHR) as a fast
bounding tool for mixed-integer convex optimization problems with linear constraints,
and as a heuristic tool for nonconvex MINLPs.
I am working with colleagues on the solution of the quadratic assignment problem and extensions.
Some of my recent research has been concerned with the solution of stochastic MILPs, with
applications in forestry and in mining.
Research Assistant for 2010-2011: Jiaxing (Jason) Pi.
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Three test problems for multi-item capacitated lotsizing with setup times.
Data in GAMS format. Self-explanatory...
Problem f3r.inc (the hardest)
Problem f3q.inc
Problem f3p.inc
.
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Pour (Anne-)Sophie
4 juin 2006.
Poisly 2006
juillet 2006.
For Bum-Jin
14 may 2006.
For Laure and Adela, Antonio, Catherine, Brenda, and other friends
IWOR, photos and films.
Let us remember all those who got trapped in or around the WTC on 9/11/2001!!
September 11, 2001.
"Each civilian death is a tragedy and should never
be regarded as the 'cost' of achieving our countries'
war aims, because it is not we who are paying the price."
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Iraq Body Count Site.
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