Operations Research

The study of operations research is concerned with mathematical methods and tools for solving problems relating to the allocation of scarce resources subject to constraints. Frequently these problems have to do with determining the least cost or greatest profit possible for a cost or profit function subject to constraints such as capacities and required amounts over a very large number of variables. Important problems within this space include minimimum cost routing problems, network maximum flow or minimum cost flow problems, and machine scheduling problems. The field of OR is always changing. Its changes are driven by the technology it uses and that it extends, and the applications that it affects.

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OpsResearch - Software, Books and Resources.
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Decision Tree for Optimization Software - Identify potential solution algorithms for your problems.
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Optimization Technology - Features a "Optimization Tree" that explores subfields of optimization.
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Inventory Control Related Sites - Annotated index of sites for inventory (stock) control.
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Simulation Tools - A Collection of Modelling and Simulation Resources on the Internet for the simulation of both continuous-time dynamic systems and discrete-event ones. Provides a broad review with links to the software.
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Queueing Theory Page - Links to queueing related topics
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Logistics: The WWW Virtual Library - All the logistic links you ever need.
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WORMS - World-wide-web for OR/MS.
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Global Optimization - Links to global optimization.
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Automated Timetabling - Automated timetabling issues and methods.
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Maths, Stats & OR Network - Incorporates many of the relevant resources.
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Forecasting - The site contains a set of principles to guide forecasting.
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Mathematical Programming Glossary - Glossary of keywords and phrases used in the field of optimization.
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Game Theory - Provides an introduction to the field.
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Global (and Local) Optimization - Archive of information on global and local optimization.
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The Science and Technology of Decision-making - A good set of OR/MS applications.
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Mind Tools - Decision theory and decision trees.
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Software Surveys - A collection of surveys of OR/MS software.
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Forecasting and Time Series on the Web - Contains a collection of useful links.
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Principles of Forecasting - Provides practical guide for forecasting.
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The Math Forum - Math Library - Operations Research - This page contains sites relating to OR/MS.
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Optimization and Operations Research - A list maintained by Henry Wolkowicz.
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Unsolved Problems in OR - A good collection.
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Combinatorial and Integer Optimization - A good collection of readings on the subjects.
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System and Simulation Links - A compilation of links on system modeling and simulation.
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INFORMS OR/MS Resource Collection - Edited by Michael Trick.
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Introduction to Queueing Theory - Discusses notations, formulas and basic rules.
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Vehicle Routing Problem - An introduction to the topic with an indexed links.
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OR-LIBRARY - A library of problem instances covering many OR/MS areas.
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Traveling Salesman Problem: ZIP-Method - A new solution algorithm for the TSP.
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Web Search for Operations Research Math Science - News search for Operations Research Math Science - encyclopedia entries for Operations Research Math Science