welcome to combinatorial optimization at...
TRANSCRIPT
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Martin Grötschel Institut für Mathematik, Technische Universität Berlin (TUB) DFG-Forschungszentrum “Mathematik für Schlüsseltechnologien” (MATHEON) Konrad-Zuse-Zentrum für Informationstechnik Berlin (ZIB)
[email protected] http://www.zib.de/groetschel
Welcome to Combinatorial Optimization at Work
briefly from now on: CO@W Berlin
Martin Grötschel
September 21, 2009 9:15 – 10:30
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Contents1. Program of the Course
2. Participants
3. Berlin
4. TUB, ZIB, MATHEON, BMS
5. The Problem Solving Cycle
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Contents1. Program of the Course
2. Participants
3. Berlin
4. TUB, ZIB, MATHEON, BMS
5. The Problem Solving Cycle
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Video Recording
We intend to record all lectures on video.
After postprocessing, the videos will be made freely available in the Internet so that the participants, and in particular those who could not come, can watch (or re- use) the lectures.
If anyone in this room does not agree to be videotaped we should discuss how to settle this now.
Who does not want to appear on such a videotape?
The video team: WD Wolfgang Dalitz SR Susanne Richter MH Mathias Hecht
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CO@Work: Today’s ProgramMonday, Sept. 21, 2009
08:30-09:15 Registration 09:15-10:30 MG Welcome
Break 11:00-12:30 MG Linear and integer programming: an
introduction Lunch at FU Mensa
14:00-15:30 MG Basics of polyhedral theory, flows and networks
Break 16:00-17:30 MG The Travelling Salesman Problem and its
applications
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Today’s Program
Today is a warm-up. We focus on a rehearsal of theory.
We assume that you are familiar with most of the topics to be presented.
Of course, you will not know all aspects, but you should know the basic facts – otherwise it will be hard to follow.
A lot of things told briefly and quickly today will be repeated in much more detail in lectures to come.
This concerns in particular algorithmic aspects of linear and integer programming.
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This Week’s Program
Tuesday is software day: Introduction to the ZIB Optimization Suite
Wednesday is auction day: We will introduce you to auction theory and some of the combinatorial aspects of it. We will execute real auctions! Every participant will get a certain amount of virtual money (the ZIB Mark, briefly ZM), and can use it to buy real objects in various auctions throughout the day. This way you will learn, first hand, the subtleties of auctioning.
Thursday and Friday are the Bob Bixby days: You will hear from one of the mathematical and commercial pioneers (founder of CPLEX) how linear and mixed integer programming problems are solved today in practice.
Saturday is SCIP day: You will learn how to work with SCIP efficiently in practice.
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CO@Work: Further Programsee printed program
Note: Depending on
the development of the course,
requests from participents,
new ideas of the lecturers,
etc.,
there may be program changes.
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Special Guests
BB Bob Bixby, Gurobi, and Rice University, Houston,
(formerly Cplex and ILOG), Sept 24-25, 28
HM Hans Mittelmann, Arizona State U
TA Tobias Achterberg ILOG/IBM
OB Oliver Bastert, FICO (formely Dash)
EA Erling Anderson, MOSEK
TR Ted Ralphs, Lehigh University, Bethlehem
MH Michael Hofmeister, Siemens, München
MP Martin Puterman, U of British Columbia, Vancouver, Oct 7
CB Christina Burt, U Melbourne
YB Yao Ban, U Melbourne
TUGS Gründungsservice TU Berlin, Oct 5MartinGrötschel
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Sept 29
Sept 28
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The CO@W Lecture Team of the first week
(in the sequence of appearance)MG Martin GrötschelCR Christian Raack AW Axel WernerIPG: TB Timo Berthold
KW Kati Wolter SH Stefan Heinz AG Ambros Gleixner TK
RB Ralph BorndörferTK Thorsten Koch
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The CO@W program contains the names of all lecturers (there are more to come in the next two weeks), and all those helping with the exercises and support the course in various ways.
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Tu 06.10. Excursion to a company
Berlin Siemens turbine production 10:00-13:00 Visit of plant and discussion 13:00-14:00 Lunch 14:30-18:00 Visit of Technikmuseum
Berlin Bayer Schering 10:00-13:00 Visit of plant and discussion 13:00-14:00 Lunch 14:00-15:00 Going to Potsdam 15:00-17:00 Visit of ViP (Verkehrsbetriebe in Potsdam)
Hamburg HHLA Container Terminal 07:00-10:00 Journey to Hamburg 10:15-11:45 Presentation of HHLA, CTA and control system 11:45-12:45 Lunch 12:45-14:15 Terminal tour 14:30-15:30 Discussion 15:30-18:30 Visit of Hamburg? 18:30-21:30 Back to Berlin
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Who wants to go where?
Wait until Wednesday, there will be an auction!
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Contents1. Program of the Course
2. Participants
3. Berlin
4. TUB, ZIB, MATHEON, BMS
5. The Problem Solving Cycle
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Who is attending this course?
The list of participants
The list by country
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Contents1. Program of the Course
2. Participants
3. Berlin
4. TUB, ZIB, MATHEON, BMS
5. The Problem Solving Cycle
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Berlin impressions
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WE hope that you will spare a few minutes to visit interesting places in Berlin
Saturday, 26.09.: 16:00-20:00 Museumsinsel
Sunday, 27.09. free
Sunday, 04.10. free
Tuesday, 06.10.: Hamburg or Technikmuseum
Friday, 09.10.: Barbecue
If you want to learn more about Berlin, just ask the Berliners here.
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Mathematics in the city
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Sex
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LH XXXV 8, 18 Bl. 2v°
Copy of a manuscript page by Gottfried Wilhelm Leibniz
What is important about this page?
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LH XXXV 8, 18 Bl. 2v°
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Euler‘s traces in Berlin
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Bayerische Landesvertretung, opposite Komischen Oper
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Euler‘s traces in Berlin
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Eulerstraße and Euler-Kneipen (pubs) in Berlin-Wedding
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Euler‘s traces in Berlin
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Eulerstraße and Euler-Kneipen (pubs) in Berlin-Wedding
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Mathematics in the city
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James A. Garfield (1881)
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My wife‘s book
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Contents1. Program of the Course
2. Participants
3. Berlin
4. TUB, ZIB, MATHEON, BMS
5. The Problem Solving Cycle
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Before I begin to talk about mathematics…I have to advertise the institutions I am representing:
Technische Universität Berlin
Konrad-Zuse-Zentrum für Informationstechnik
MATHEON
Berlin Mathematical School
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TU Berlin
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TU Berlin
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TU Mathematics
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Main-CampusBerlin University of Technology
TU mathematics building
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ZIB
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ZIB from the air
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Konrad Zuse (1910 – 1995)
Dipl.-Ing. TU BerlinCivil Engineering
As a student at TU Berlin inventor of the first program-controlled electrical computercalculating digitallywith electro-mechanical switches („relais“).
The photo shows K. Zuse in 1985 with a replica of his first computer of 1938.
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Zuse at Zuse-Zentrum
Konrad Zuse at his last visit of the old ZIB 1994
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DFG-Forschungszentrum MATHEON
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Survey of MATHEON on October 8
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MATHEON researchI Optimization and discrete mathematics
W. Römisch (HU) M. Skutella (TU) G. M. Ziegler (TU)
II Numerical analysis and scientific computing R. Kornhuber (FU) R. Schneider (TU) H. Yserentant (TU))
III Applied and stochastic analysis P. Imkeller (HU) C. Lasser (FU) A. Mielke (FU, WIAS)
including: scientists in charge
Mathematical fields
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A Life sciencesA. Bockmayr (FU), P. Deuflhard (FU, ZIB), Ch. Schütte (FU)
B Logistics, traffic and telecommunication networks M. Grötschel (TU, ZIB), R. Möhring (TU), M. Skutella (TU)
C Production C. Carstensen (HU), D. Hömberg (TU, WIAS), F. Tröltzsch (TU)
D Circuit Simulation and Opto-Electronic Devices V. Mehrmann (TU), A. Mielke (HU, WIAS), F. Schmidt (ZIB)
E Finance D. Becherer (HU), P. Imkeller (HU)
F Visualization K. Polthier (FU), J. Sullivan (TU), G. M. Ziegler (TU)
G Education, Outreach, Administration J. Kramer (HU)
including: scientists in charge
MATHEON research Application areas
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BMS
Berlin Mathematical School
Survey of BMS on October 8
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Contents1. Program of the Course
2. Participants
3. Berlin
4. TUB, ZIB, MATHEON, BMS
5. The Problem Solving Cycle
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The Real Problem
Pure MathematicsComputer Science
MathematicalModel
MathematicalTheory
Design of Good Solution
Algorithms
AlgorithmicImplementation
NumericalSolution
Quick Check:Heuristics
Hard-ware
Soft-ware Data GUI
PractitionerSpecialistModelling
Simulation
Optimization
Education
The problem solving cycle in modern applied mathematics
The Application Driven Approach
Simulation
Implementation in Practice
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Martin Grötschel Institut für Mathematik, Technische Universität Berlin (TUB) DFG-Forschungszentrum “Mathematik für Schlüsseltechnologien” (MATHEON) Konrad-Zuse-Zentrum für Informationstechnik Berlin (ZIB)
[email protected] http://www.zib.de/groetschel
Welcome to Combinatorial Optimization at Work
briefly: CO@W Berlin
Martin Grötschel
September 21, 2009The End