From the Preface:
This festschrift is devoted to recognize the career of a man who not only witnessed the growth of operations research from its inception, but also contributed significantly to this growth. Dr. Salah E. Elmaghraby received his doctorate degree from Cornell University in 1958, and since then, his scholarly contributions have enriched the fields of production planning and scheduling and project scheduling. This collection of papers is contributed in his honor by his students, colleagues, and acquaintances. It offers a tribute to the inspiration received from his work, and from his guidance and advice over the years, and recognizes the legacy of his many contributions.
Dr. Elmaghraby is a pioneer in the area of project scheduling (in particular, project planning and control through network models, for which he coined the term ‘activity networks’.) In his initial work in this area, he developed an algebra based on signal flow graphs and semi-Markov processes for analyzing generalized activity networks involving activities with probabilistic durations. This work led to the development of what was later known as the Graphical Evaluation and Review Technique (GERT), and GERT simulation models. He has made fundamental contributions in determining criticality indices for activities, in developing methodologies for project compression and time/cost analysis, and in the use of stochastic and chance-constrained programming and Petri Nets for the analysis of activity networks.
This volume brings together fourteen contributions, which can be viewed under the following three main themes: operations research and its application in production planning; project scheduling, and production scheduling, inspired by, and in many cases based on, Dr. Elmaghraby’s work in these areas. The first five chapters are devoted to the first theme, followed by four chapters each devoted to the other two, respectively. An additional chapter is devotedto the vulnerability of multimodal freight systems.
Table des matières
Ubiquitous OR in Production Systems.- Integrated Production Planning and Pricing Decisions in Congestion-Prone Capacitated Production Systems.- Refined EM Method for Solving Linearly Constrained Global Optimization Problems.- The Price of Anarchy for a Network of Queues in Heavy Traffic.- A Comparative Study of Procedures for the Multinomial Selection Problem.- Vulnerability Discussion in Multimodal Freight Systems.- Scheduling and Financial Planning in Stochastic Activity Networks.- A Risk Integrated Methodology for Project Planning Under Uncertainty.- Dynamic Resource Constrained Multi-Project Scheduling Problem with Weighted Earliness/Tardiness Costs.- Multi-Mode Resource Constrained Project Scheduling Problem Including Multi-Skill Labor (MRCPSP-MS): Model and a Solution Method.- Hybrid Flow Shop Scheduling with Availability Constraints.- A Probabilistic Characterization of Allocation Performance in a Worker-Constrained Job Shop.- Mine Planning Above and Below Ground: Generating a Set of Pareto-Optimal Schedules Considering Risk and Return.- Multiple-Lot Lot Streaming in a Two-stage Assembly System.
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