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GAMS Presentations

INFORMS Conference on Business Analytics and OR, April 07-09 2013, San Antonio TX
- Franz Nelissen; Technology Workshop: Deploying Optimization Applications - Concepts and Challenges -
- Franz Nelissen, Lutz Westermann; Software Tutorial: Deploying Your ApplicationBuilt Around GAMS , C# - example files (VS 2010)

13th INFORMS Computing Society Conference (ICS), January 06-08 2013, Santa Fe, New Mexico, USA
- Steven Dirkse, Michael C. Ferris, Renger. van Nieuwkoop: gdxrrw: Exchanging Data Between GAMS and R. The source for the talk, including all GAMS source, R source, etc., and a little README describing how to generate it with knitr and beamer, is available in this zip file. To generate the talk and run the latest examples, you will need the most recent version of GDXRRW (0.2.0) and a version of GAMS at least as recent as 23.9.4.
- Stefan Vigerske, Michael Bussieck, Steven Dirkse: Advanced Use of GAMS Solver Links The scripts to demonstrate usage of the solvetrace files are available in this zip file. You will need at least GAMS 24.0.2 to generate correct solve trace files.

89th meeting of the GOR working group "Real World Mathematical Optimization", "Hybrid Methods", November 15-16 2012, Physikzentrum Bad Honnef, Germany
- Michael Bussieck, Alex Meeraus, Lutz Westermann: Rapid Prototyping of Decomposition Algorithms
- Frederik Fiand: A Student Administration and Scheduling System for Federal Law Enforcement Training Center

INFORMS 2012, Informatics Rising, October 14-17 2012, Phoenix , AZ
- Steven Dirkse; Michael Bussieck; Pre-Conference GAMS Workshop at INFORMS 2012:
  - Part I: Development, Example Code
  - Part II: Deployment
- Michael Bussieck; Object Oriented GAMS API: .NET and Beyond
- Steven Dirkse; gdxrrw: Exchanging Data Between GAMS and R. The source for the talk, including all GAMS source, R source, etc., and a little README describing how to generate it with knitr and beamer, is available here. To generate the talk and run the latest examples, you will need the most recent versions of GDXRRW (0.2.0) and GAMS (23.9.4).
- Lutz Westermann; Deploying Your Application Built Around GAMS and Example Code
- Lutz Westermann; Stochastic Programming in GAMS

International Conference on Operations Research, September 4 to September 7, 2012, Hannover, Germany
- Toni Lastusilta; Extrinsic functions in GAMS
- Lutz Westermann; Stochastic Programming in GAMS
- Clemens Westphal; Object Oriented GAMS API - .NET and Beyond
- Lutz Westermann and Clemens Westphal; Pre Conference Workshop - Stochastic Programming and Object Oriented GAMS API

FORA-Symposium 2012, July 06 2012, Aachen, Germany
- Franz Nelissen; Models and Their Roles.

INFORMS International Conference, June 23-27 2012, Beijing, China
- Toni Lastusilta, Alexander Meeraus, Franz Nelissen; Software Tutorial at the INFORMS 2012: Fundamentals and Recent Developments of the GAMS System

88th GOR Meeting, Challenges in Energy Economics and Optimization at EnBW, April 19-20, 2012, Karlsruhe, Germany
- Michael R. Bussieck; Rapid Prototyping of Decomposition Algorithms.
- Example GAMS models for download (gor88.zip)

INFORMS Conference on Business Analytics and OR, Applying Science to the Art of Business, April 15-17 2012, Huntington Beach CA
- Franz Nelissen; Technology Workshop at the INFORMS 2012: Fundamentals and Recent Developments of the GAMS System
- Pete Steacy; Software Tutorial at the INFORMS 2012: GAMS Past-Present-Future and GAMS Features You Might Not Know

International Conference on Operations Research, August 30 to September 2, 2011, Zurich, Switzerland
- Michael Bussieck; A Planning Tool for a Municipal Utility Company
- Lutz Westermann; Recent Enhancements in GAMS

INFORMS Computing Society 2011, January 9th-11th 2011, Monterey, CA
- Steven Dirkse; GMO: GAMS' Next-Generation Model API and Millionaire Quiz Show
- Michael Ferris; An Extended Mathematical Programming Framework

85th meeting of the GOR working group, "Real World Mathematical Optimization", November 18+19 2010, Physikzentrum Bad Honnef, "Modeling Languages in Mathematical Optimization – Overview, Opportunities and Challenges in Application Development"
- Jan-H. Jagla, Alex Meeraus: GAMS Past-Present-Future and GAMS features you might not know

INFORMS 2010, Energising the Future, November 7-10 2010, Austin , TX
- Steven Dirkse; Michael Bussieck; Pre-Conference GAMS Workshop at INFORMS 2010: GAMS - How can I make this work ??? Arrgghh!!
- Steven Dirkse; GAMS Development Corporation - Rapid Application Prototyping with GAMS
- Michael Bussieck; Keep the Model Hot: A Scenario Solver for GAMS
- Michael Bussieck; Stochastic Optimization: Recent Enhancements in Algebraic Modeling Systems
- Steven Dirkse; GMO: GAMS' Next-Generation Model API

International Conference Operations Research, Mastering Complexity, September 1st-3rd 2010, Universität der Bundeswehr München, Germany
- Jan-Hendrik Jagla; Lutz Westermann; Pre-Conference GAMS Workshop:
  - Presentation: GAMS - How can I make this work... arrgghh?
  - Demo models: Demo
- Session "Stochastic Programming Software"
  - Timo Lohmann; Stochastic Programming using Algebraic Modeling Languages
  - Michael Bussieck; Recent Enhancements in Algebraic Modeling Systems
- Session "Software"
  - Lutz Westermann; Recent Enhancements in GAMS
  - Jan-Hendrik Jagla; Interactions between a Modeling System and Advanced Solvers
  - Franz Nelissen; Using Utility Computing to provide Mathematical Programming Resources
- Michael Bussieck; Alex Meeraus; Franz Nelissen; Algebraic Modeling: Past, Present and Future

24th European Conference on Operational Research, July 11th-14th 2010, University of Lisbon, Portugal
- Jan-Hendrik Jagla; Lutz Westermann; Pre-Conference GAMS Workshop:
  - Presentation: GAMS - How can I make this work... arrgghh?
  - Demo models: Demo
- Lutz Westermann; Stochastic Optimization: Recent Enhancements in Algebraic Modeling Systems.
- Jan-Hendrik Jagla; Recent enhancements in GAMS.

CPAIOR 2010, International Conference on Integration of AI and OR Techniques in Constraint Programming, June 14-18, 2010, Bologna, Italy
- Jan-H. Jagla; Alex Meeraus; GAMS - Benchmarking & Quality Assurance

83rd Working Group Meeting Real World Optimization, November 19-20, 2009, Workshop 'Mathematical Optimization in Transportation -Airline, Public Transport, Railway-', Bad Honnef, Germany
- Michael Bussieck; Column Generation in GAMS - Extending the GAMS Branch-and-Cut-and-Heuristic (BCH) Facility

INFORMS 2009, INFORMing the Globe, October 11th-14th 2009, San Diego, CA
- Michael Bussieck; Lutz Westermann; Pre-Conference GAMS Workshop at INFORMS 2009:
  - Module GAMS - General Algebraic Modeling System
  - Module GAMS - Transportation Model
- Steven Dirkse; GDXMRW: Exchanging Data Between GAMS and Matlab
- Lutz Westermann; Rapid application prototyping with GAMS and Demo Library
- Alexander Meeraus; GAMS - Features you might not know about
- Michael Bussieck; GAMS Branch-and-cut and Heuristic Facility
- Paul van der Eijk; GAMS Data Exchange (GDX) Tools and Utilities
- Erwin Kalvelagen; Data and Software Interoperability with GAMS: A User Perspective

23rd European Conference on Operational Research, July 5th-8th 2009, University of Siegen, Germany
- Michael Bussieck; Jan-Hendrik Jagla; Pre-Conference GAMS Workshop at EURO 2009:
  - Module GAMS - General Algebraic Modeling System
  - Module GAMS - Transportation Model
- Franz Nelissen; Using Utility Computing to provide Mathematical Programming Resources.
- Alexander Meeraus; GAMS – Features you might not know about.
- Michael Bussieck; Stochastic Optimization: Recent Enhancements in Algebraic Modeling Systems.
- Lutz Westermann; Rapid application prototyping with GAMS and Demo Library.
- Jan-Hendrik Jagla; Formulating and solving non-standard model types using gams/emp.

INFORMS Computing Society 2009, January 11th-13th 2009, Charleston, SC
- Steven Dirkse; GAMSWorld and the growing demand for reproducible computational experiments

INFORMS 2008, OR goes to Washington, October 12th-15th 2008, Washington, DC
- Michael Bussieck; Jan-Hendrik Jagla; Lutz Westermann; Pre-Conference GAMS Workshop:
  - Module GAMS - General Algebraic Modeling System
  - Module GAMS - Sudoku and Workshop Library
- Steven Dirkse; GAMS Development Corporation - Rapid Application Prototyping with GAMS and Demo Library.
- Session: "Using COIN-OR via GAMS"
  - Alexander Meeraus; Open-source Quality Assurance and Performance Analysis Tools.
  - Michael Bussieck; GAMS Branch-and-Cut & Heuristic Facility.
  - Stefan Vigerske; Hooking Your Solver to GAMS.
- Steven Dirkse; Holger Heitsch; Scenario Tree Generation for Stochastic Programming Models using GAMS/SCENRED.

Operations Research and Global Business, September 3rd-5th 2008, University of Augsburg, Germany
- Michael Bussieck; Jan-Hendrik Jagla; Lutz Westermann; Pre-Conference GAMS Workshop at OR 2008:
  - Module GAMS - General Algebraic Modeling System
  - Module GAMS - Model Development - Using CHP as an example and Workshop Library
  - Module GAMS - Grid Computing
- Jan-Hendrik Jagla; Michael Ferris; Alex Meeraus; GAMS' Extended Mathematical Programming Framework.
- Franz Nelissen; Is Utility Computing suitable for providing Mathematical Programming Resources?.

IFORS 2008, Operational Research: developing communities, managing the connections amongst them. July 2008, Sandton, South Africa
- Jan-Hendrik Jagla; Lutz Westermann; Pre-Conference GAMS Workshop at IFORS 2008:
  - Module GAMS - General Algebraic Modeling System
  - Module Model Development - Using CHP as an example and Workshop Library
- Lutz Westermann; Michael Bussieck; Global Optimization with GAMS.
- Jan-Hendrik Jagla; Michael Ferris; Alex Meeraus; Extended Mathematical Programming in GAMS.
- Jan-Hendrik Jagla; Lutz Westermann; Recent Enhancements in GAMS.

APMOD 2008, Bratislava, Slovak Republic
- Alexander Meeraus; Franz Nelissen (Preconference Workshop): GAMS - An Introduction
- Franz Nelissen: Is Utility Computing suitable for providing Mathematical Programming Resources?

80th GOR Practice Meeting, Optimization in Manufacturing Execution Systems, April 2008, Ladenburg, Germany
- Jan-Hendrik Jagla; Manufacturing - Is there a Role for Algebraic Modeling Systems?.

INFORMS November 2007, Preconference Workshop, Seattle, WA
- Jan-Hendrik Jagla; Lutz Westermann; GAMS Workshop at INFORMS:
  - Module Introduction
  - Module Transportation Model
  - Module Interfacing with other Applications
  - Module Grid Computing
  - Module Benchmarking

INFORMS November 2007, Session: "Software Demonstration", Seattle, WA
- Steven Dirkse; Rapid Application Prototyping using GAMS.

INFORMS November 2007, Session: "Optimizing Your Optimizer", Seattle, WA
- Michael Bussieck, Steven Dirkse, Jan-H. Jagla, Alex Meeraus; Interactions between Modeling Systems and Advanced Solvers.

INFORMS November 2007, Session: "ICS 10th Anniversary Celebration and Quiz Show", Seattle, WA
- Steven Dirkse; Panel Discussion and Quiz Show.

INFORMS November 2007, Session: "Interfacing to Coin-OR", Seattle, WA
- Michael Bussieck, Steven Dirkse, Stefan Vigerske; COIN-OR/GAMSlinks: Hooking Your Solver to GAMS.
- Steven Dirkse; Solver Panel: Solver Independence

GOR Workshop October 2007, Global Optimization, Bad Honnef, Germany
- Michael Bussieck, Steven Dirkse, Alex Meeraus; Global Optimization with GAMS.

OR September 2007, Pre-Conference Workshop, Saarbrücken, Germany
- Jan-H. Jagla, Lutz Westermann; OR2007 GAMS Workshop.

OR September 2007, Session: "Continuous Optimization, COIN-OR: Open Source Software for Operations Research", Saarbrücken, Germany
- Stefan Vigerske, Michael Bussieck; Interfacing COIN-OR solvers by GAMS.

OR September 2007, Session: "Continuous Optimization, Modern Algorithms and Software for Continuous Optimization", Saarbrücken, Germany
- Lutz Westermann, Michael Bussieck; Global Optimization with GAMS.
- Jan-H. Jagla, Michael Bussieck; GAMS Recent Enhancements.

OR September 2007, Session: "Finance, Banking and Insurance, Applications in Finance", Saarbrücken, Germany
- Franz Nelißen; Grid Computing in Finance using an Algebraic Modeling System.

INFORMS Intl July 2007, Session: "Benchmarking Solvers: Who, What, When, Why, How, How Much?", Puerto Rico
- Steven Dirkse; Preliminary Remarks.

INFORMS Intl July 2007, Session: "Software Seminars", Puerto Rico
- Steven Dirkse, Alex Meeraus; Rapid Application Prototyping with GAMS; System with workshop library.

INFORMS Intl July 2007, Session: "Using Modeling Languages with COIN-OR", Puerto Rico
- Steven Dirkse; Quality Assurance, Performance Analysis, and the GAMS/COIN-OR Solvers.

EURO July 2007, Session: "Preconference Workshop", Prague, Czech Republic
- Jan-H. Jagla; GAMS - Workshop.

EURO July 2007, Session: "Mixed Integer Programming: The State-of-the-Art", Prague, Czech Republic
- Michael Bussieck, Jan-H. Jagla, Stefan Vigerske; Performance of COIN-OR Solvers for the Solution of MINLPs Using GAMS.

EURO July 2007, Session: "COIN-OR: Open Source Software for OR II", Prague, Czech Republic
- Michael Bussieck, Jan-H. Jagla, Stefan Vigerske; Hooking Your Solver to GAMS.

EURO July 2007, Session: "Software Presentation", Prague, Czech Republic
- Jan-H. Jagla; Rapid Development of Optimization-based Decision Support Applications.

78th GOR Meeting, Stochastic Optimization in the Energy Industry, April 2007, Aachen, Germany
- Michael R. Bussieck; Stochastic Optimization: Solvers and Tools.

Annual Review Meeting, Center for Advanced Process Decision Making (CAPD) March 2007, CMU Pittsburgh, PA
- Jan-H. Jagla, Lutz Westermann; GAMS: Productivity - Performance - Reliability.

INFORMS November 2006, Preconference Workshop, Pittsburgh, PA
- Steven Dirkse; Michael Bussieck; GAMS Workshop at INFORMS.

INFORMS November 2006, Session: "Software Demonstration", Pittsburgh, PA
- Steven Dirkse; Michael Bussieck; Rapid Application Prototyping using GAMS.

INFORMS November 2006, Session: "Alan S. Manne (1925-2005): Innovative Energy, Environment and Operations Modeler", Pittsburgh, PA
- Thomas Rutherford; Alan S. Manne: Innovative Approaches to Climate Policy Design.

INFORMS November 2006, Session: "High Throughput Optimization", Pittsburgh, PA
- Michael Ferris; Thomas Rutherford; Decomposition and High Throughput Solution of Equilibrium Problems.

INFORMS November 2006, Session: "The Science of (Optimizing) Better", Pittsburgh, PA
- Steven Dirkse; Michael Bussieck; Armin Pruessner; Performance Analysis of Grid-Enabled GAMS.

INFORMS November 2006, Session: "Cyberinfrastructure and Integer Programming", Pittsburgh, PA
- Michael Ferris; Michael Bussieck; Solving Difficult Mixed-Integer Programming Problems Using GAMS and Condor.

OR September 2006, Pre-Conference Workshop, Karlsruhe, Germany
- Michael R. Bussieck, Franz Nelißen; OR2006 GAMS Workshop.

OR September 2006, Session: Software Presentation, Karlsruhe, Germany
- Franz Nelißen; Rapid Application Prototyping with GAMS.

OR September 2006, Session: Stochastic Programming, Karlsruhe, Germany
- Franz Nelißen; Portfolio Optimization: A Technical Perspective.

OR September 2006, Session: Optimization Tools in Progress, Karlsruhe, Germany
- Michael R. Bussieck, Michael C. Ferris; Solving Difficult MIP Problems using GAMS and Condor.

EURO July 2006, Stream: Software for OR/MS, Reykjavik, Iceland
- Michael R. Bussieck, Michael C. Ferris; Solving Difficult MIP Problems using GAMS and Condor.

APMOD June 2006, Session: OR Software; New Developments, Madrid, Spain
- Franz Nelißen; Rapid Application Prototyping using GAMS.

CORS/OPTIMIZATION DAYS May 2006, Montreal, Canada
- Alex Meeraus, Michael C. Ferris; High Throughput Computing and Sampling Issues for Optimization in Radiotherapy.

INFORMS November 2005, Session "Software Demo", San Francisco, CA
- Michael Bussieck, Steven Dirkse; Rapid Application Development & Grid Computing Using GAMS. Also see the accompanying handout.

INFORMS November 2005, Session "INFORMS Computing Society/ Heuristic Search", San Francisco, CA
- Monique Guignard, Michael Bussieck, Alexander Meeraus, Fred O'Brien, Siqun Wang; A Student-centric Class and Exam Scheduling System at West Point.

GOR Workshop October 2005, "Optimization under Uncertainty", Bad Honnef, Germany
- Franz Nelißen; Optimization under Uncertainty using GAMS: Success Stories and some Frustrations
- Alex Meeraus, Thomas F. Rutherford; Mixed Complementarity Formulations of Stochastic Equilibrium Models with Recourse

ICS January 2005, Session "Network Services and Communication Standards", Annapolis, MD
- Steven P. Dirkse; Linking GAMS to Solvers using the COIN-OR Open Solver Interface

ICS January 2005, Session "SolverSession II - Integer/Combinatorial", Annapolis, MD
- Ignacio E. Grossmann; Computational Experience Solving Disjunctive Programming Problems with LOGMIP

ICS January 2005, Session "Quality", Annapolis, MD
- Armin Pruessner; Software Quality Assurance for Mathematical Modeling Systems

Workshop on Integer Programming and Continuous Optimization, November 2004, Chemnitz, Germany
- Marc C. Steinbach; NLP Reformulation of MINLP under Nonlinear Network Dynamics.
- Sven Leyffer; A Survey of Mixed Integer Nonlinear Optimization.
- Alexander Martin; Approximation of non-linear functions in mixed integer programming.
- Mohit Tawarmalani; Convexification and Global Optimization of Nonlinear Programs.

INFORMS October 2004, Session "COIN-OR: Open-Source Software for OR", Denver
- Michael Bussieck, Steven Dirkse; Linking GAMS to Solvers Using COIN-OSI.

INFORMS October 2004, Session "Software Presentations", Denver
- Armin Pruessner, Alexander Meeraus; GAMS: A High Performance Modeling System for Large-Scale Modeling Applications. Also see the accompanying handout.

GOR Workshop on "Mathematical Optimization Services in Europe", October 2004, Bad Honnef, Germany
- Michael Bussieck, Franz Nelißen; Models and Their Roles

GOR/NGB Joint Conference September 2004, Tilburg, The Netherlands
- Stephan Eidt, Franz Nelißen; Quality Assurance and Algebraic Modeling Systems

CORS/INFORMS Joint International Meeting May 2004, Banff, Canada
- Leon Lasdon; Global Optimization and the GAMS Branch-and-Cut Facility

INFORMS October 2003, Session "Optimization Software - The State of the Art", Atlanta
- Armin Pruessner; Conic Programming in GAMS

INFORMS October 2003, Session "Global Optimization Software in GAMS: Performance and Applications", Atlanta
- Leon Lasdon; OQNLP/GAMS: A Multi-start Approach to Global Optimization
- János D. Pintér; GAMS/LGO Solver Engine for Global and Convex Optimization
- Nick Sahinidis, Mohit Tawarmalani; Global Optimization with GAMS/BARON
- Michael Bussieck, Leon Lasdon, Nick Sahinidis,János D. Pintér; Global Optimization with GAMS - Applications and Performance

INFORMS October 2003, Session "Optimization Modeling in Practice I"
- Steven Dirkse; Applications of MPEC Models

INFORMS October 2003, Session "Optimization Modeling and Techniques"
- Alex Meeraus; Rapid Implementation of Branch-and-Cut with Heuristics using GAMS

Workshop on Optimization/Modeling/Applications - 15 Years GAMS Development - 60 Years Alex Meeraus; September 2003, Washington, DC
- David Kendrick; Themes from GAMS in Computational Economics
- Jan Bisschop; Is there a Future for Modeling Systems
- Bruce McCarl; GAMS as a Tool for Applied Analysis: Significance, and the Future
- Arne Drud; Replaceable Solvers in GAMS
- Alex Meeraus; Past, Present, and Future
- Lloyd Kelly; The Risks, They Just Keep On Coming
- Sherman Robinson; Computable General Equilibrium (CGE) Modeling in GAMS: History and Current State of the Art
- Michael C. Ferris; Optimization of Gamma Knife Radiosurgery
- Alan Manne; Integrated Assessment for Global Climate Change

GAMS Global Optimization Workshop, September 2003, Washington, DC
- Nick V. Sahinidis; Global Optimization with Baron
- János D. Pintér; Global Optimization with GAMS/LGO: Introduction, Usage, and Applications
- Leon S. Lasdon; OQNLP: a Scatter Search Multistart Approach for Solving Constrained Non-Linear Global Optimization Problems
- John Chinneck; MProbe: Mathematical Program Probe

GOTI2003 September, Argonne, IL
- Steven Dirkse; Challenges in Bringing Global Optimization to the Marketplace

OR2003 September, Heidelberg, Germany
- Franz Nelissen; Mathematical Optimization in Finance: Closing the gap

ISMP August 2003, Copenhagen, Denmark, Session "NLP software - state of the art I"
- Arne S. Drud; Detecting Unboundedness in Practical Nonlinear Models
- Steven P. Dirkse; Mathematical Programs with Equilibrium Constraints: Automatic Reformulation and Solution via Constrained Optimization
- Michael R. Bussieck, Leon S. Lasdon, János D. Pintér, Nick V. Sahinidis; Global Optimization with GAMS - Applications and Performance

ISMP August 2003, Copenhagen, Denmark, Session "NLP software - state of the art II"
- Armin Pruessner, Hans D. Mittelmann; Automated Performance Analysis in the Evaluation of Nonlinear Programming Solvers

IEEE Bologna Power Tech, June 2003
- Nicole Gröwe-Kuska, Holger Heitsch, Werner Römisch; Scenario Reduction and Scenario Tree Construction for Power Management Problems;

GOR Workshop on Modeling Languages April 23-25 2003, Bad Honnef
- Josef Kallrath; Introduction: Models, Model Building, and Mathematical Optimization - The Importance of Modeling Languages for Solving Real-World Problems
- Hermann Schichl; Modeling Languages and Global Optimization
- Sofiane Oussedik; ILOG OPL Studio - Technical Overview
- Jan Bisschop; AIMMS - An All-Round Development Environment
- Robert Fourer, David Gay; AMPL - A Modeling Language for Mathematical Programming
- M.R. Bussieck, A. Meeraus; GAMS - General Algebraic Modeling System
- Bob Daniel; XPRESS - Mosel with an additional handout
- Klaus Schittkowski; PCOMP - A Modeling Language for Nonlinear Programs with Automatic Differentiation

INFORMS November 2002, Session "Benchmarking & Performance Testing of Optimization Software"
- Armin Pruessner; Automated Performance Testing and Analysis
- Hans D. Mittelmann; Benchmarking Large-Scale Optimization Software
- Arne S. Drud; Testing and Tuning a new Solver Version using Performance Tests

INFORMS November 2002, Session "Advances in Algebraic Modeling"
- Alex Meeraus; Who Needs the GAMS World?
- Arne S. Drud; Novel Problem Types and Algorithms
- Thomas Rutherford; Economic Equilibrium Analysis with GAMS/MPSGE
- Hans D. Mittelmann; An Online Forum for Performance Testing

INFORMS November 2002, Session "New Initiatives in Global Optimization"
- Michael R. Bussieck, Steven P. Dirkse, Alexander Meeraus, Armin Pruessner; Quality Assurance and Global Optimization; (PAVER results for the Example)

Cocos'02 (Global Constrained Optimization and Constraint Satisfaction), October 2002, France
- Nick Sahinidis; Global Optimization and Constraint Satisfaction: The Branch-and-Reduce Approach
- Michael R. Bussieck, Arne S. Drud, Alexander Meeraus; Quality Assurance and Global Optimization; (PAVER results for Example 2)

ExxonMobil Optimization and Logistics Mini-Symposium, Annandale, NJ, August 2002
- Michael R. Bussieck, Alexander Meeraus; General Algebraic Modeling System: GAMS

ESCAPE-12 (European Symposium on Computer Aided Process Engineering), 26 - 29 May 2002, The Hague, The Netherlands
- Y. Ota, K. Namatame, H. Hamataka, K. Nakagawa and H. Abe (Japan), A. Cervantes, I.B. Tjoa and F. Valli (USA); Award Winning Presentation: Optimization of Naphtha Feedstock Blending for Integrated Olefins-Aromatics Plant Production Scheduling

SIAM Optimization Meeting, May 2002, Toronto
- Arne S. Drud; On the Use of Second Order Information in GAMS/CONOPT3

INFORMS November 2001, Session "Quadratic Assignment & Related Problems"
- Michael R. Bussieck, Monique Guignard, Siqun Wang; Modeling with Quadratic Constraints to Improve Exam Timetabling Solutions

OR 2001, Section "Energy and Environment", Prof. Dr. Rüdiger Schultz, Gerhard-Mercator-University of Duisburg, Dr. Wilfried Pohl, RWE Systems AG
- Gary A. Goldstein, Ad Seebregts; Energy/Environmental Modeling with the Markal Family of Models
- Gary A. Goldstein, Uwe Remme, Ulrich Schellmann, Christoph Schlenzig; MESAP/Times-Advanced Decision Support for Energy and Environmental Planning
OR 2001, Section "Continuous Optimization", Prof. Dr. Friedrich Juhnke, Otto-von-Guericke-University of Magdeburg, Prof. Dr. Florian Jarre, Heinrich-Heine-University of Düsseldorf
- Michael R. Bussieck, Arne Drud; SBB: A New Solver for Mixed Integer Nonlinear Programming
- Arne Drud; Solving NLP Models in a Branch & Bound Context
- Steven Dirkse, Michael C. Ferris; Solving NLP Models as Complementary Problems
- Michael R. Bussieck, Alexander Meeraus; Global Optimization Initiative
- Michael C. Ferris, Jeffrey Horn; Automatic Conversion of Nonlinear Programs to Complementary Problems
- Michael C. Ferris, Meta Voelker; Slice Models in GAMS
OR 2001, Section "Discrete and Combinatorial Optimization", Prof. Dr. Alexander Martin, Technical University of Darmstadt, Prof. Dr. Peter Brucker, University of Osnabrück
- Alexander Meeraus, Frederick P. O'Brien; Class Scheduling at the USMA at West Point
- Michael R. Bussieck, Frederick P. O'Brien; Term End Exam Scheduling
- Michael C. Ferris, David M. Shepard; Optimization of Gamma Knife Radiosurgery
INFORMS May 2001, "Optimizing the Extended Enterprise in the New Economy"
- José Vicente Caixeta-Filho, Jan Maarten van Swaay-Neto, Antonio de Pádua Wagemaker; Optimization of the Production Planning and Trade of Lily Flowers at Jan de Wit Co.
INFORMS Fall 2000, Session "Recent Advances in Nonlinear Mixed Integer Optimization"
- Ignacio E. Grossmann, Aldo Vecchietti; Recent Developments in Disjunctive Programming
- Michael R. Bussieck, Arne Drud; SBB: A New Solver for Mixed Integer Nonlinear Programming
- Mohit Tawarmalani, Nickolaos V. Sahinidis; Mixed Integer Nonlinear Programs; Theory, Algorithms and Applications
INFORMS Fall 2000, Session "Optimization and Modeling for Human Experts"
- Fred O'Brien, Michael R. Bussieck, Alexander Meeraus; Academic Scheduling at United States Military Academy West Point, NY
- David M. Shepard, Michael C. Ferris; Computerized Treatment Planning for Stereotactic Radiosurgery
- Michael R. Bussieck, Lloyd R. Kelly; Blending Data, Models and Human Expertise
INFORMS Fall 2000, Session "Novel Applications in the Energy Industry"
- Gary Goldstein; Assessing Energy/Economy/Environment Interaction Using the MARKAL Family of Models
- Lloyd R. Kelly; The Utility Fuel Economics - National Power Model Forecasting System
- Josef H. Bogensperger; Weekly Asset Portfolio Management in a Hydro-Thermal Power System
ICCP 1999, Madison
- Steven Dirkse; Complementarity at GAMS Development
SP 1998, Vancouver, Canada
- Steven Dirkse; Stochastic Programming using GAMS