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Browsing Operations Research Center by Title

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  • Wu, Joseph T. (Joseph Tszkei), 1977- (Massachusetts Institute of Technology, 2003)
    The World Health Organization (WHO) is responsible for making annual vaccine strains recommendation to countries around the globe. However, various studies have found that the WHO vaccine selection strategy has not been ...
  • Bertsimas, Dimitris J.; Paschalidis, Ioannis Ch; Tsitsiklis, John N. (Massachusetts Institute of Technology, Operations Research Center, 1992-12)
    We consider open and closed multiclass queueing networks with Poisson arrivals (in open networks), exponentially distributed class dependent service times, and with class dependent deterministic or probabilistic routing. ...
  • Bertsimas, Dimitris J.; Xu, Haiping (Massachusetts Institute of Technology, Operations Research Center, 1993-12)
    We consider the problem of optimizing a polling system, i.e., of optimally sequencing a server in a multi-class queueing system with switch-over times in order to minimize a linear objective function of the waiting times. ...
  • Borjian Boroujeni, Setareh (Massachusetts Institute of Technology, 2015)
    With the continuous growth in international container shipping, many container terminals in maritime ports face congestion, particularly during peak hours of service, and when there is limited space in the storage area. ...
  • Doan, Xuan Vinh (Massachusetts Institute of Technology, 2010)
    We study the problem of moments and present two diverse applications that apply both the hierarchy of moment relaxation and the moment duality theory. We then propose a moment-based uncertainty model for stochastic ...
  • Chan, Timothy Ching-Yee (Massachusetts Institute of Technology, 2007)
    In the context of patient care for life-threatening illnesses, the presence of uncertainty may compromise the quality of a treatment. In this thesis, we investigate robust approaches to managing uncertainty in radiation ...
  • Rossillon, Kevin Joseph (Massachusetts Institute of Technology, 2015)
    In this thesis, we introduce and analyze models for air asset scheduling within a military theater. Specifically, we seek to create models that generate aircraft-specific schedules for Air Tasking Orders (ATOs) within a ...
  • Paynter, Jonathan L. (Jonathan Lawrence) (Massachusetts Institute of Technology, 2014)
    A feature of many conflicts is the presence of a border that separates an area of on-going military operations from an area that the enemy can use permissively. This thesis considers analytic techniques for planning military ...
  • Foreman, John William (Massachusetts Institute of Technology, 2008)
    This thesis describes the design and implementation of an optimization model to manage inventory at Dell's American factories. Specifically, the model is a mixed integer program which makes routing decisions on incoming ...
  • Aghezzaf, El Houssaine; Magnanti, Thomas L.; Wolsey, Laurence A. (Massachusetts Institute of Technology, Operations Research Center, 1992-07)
    Given a tree G = (V, E) and a weight function defined on subsets of its nodes, we consider two associated problems. The first, called the "rooted subtree problem", is to find a maximum weight subtree, with a specified root, ...
  • Sokol, Joel Scott, 1971- (Massachusetts Institute of Technology, 1999)
  • Belloni, Alexandre; Freund, Robert M.; Selove, Matthew; Simester, Duncan (2005-03-04)
    We compare a broad range of optimal product line design methods. The comparisons take advantage of recent advances that make it possible to identify the optimal solution to problems that are too large for complete ...
  • Lesnaia, Ekaterina. (Massachusetts Institute of Technology, 2004)
    The amount of safety stock to hold at each stage in a supply chain is an important problem for a manufacturing company that faces uncertain demand and needs to provide a high level of service to its customers. The amount ...
  • Bertsimas, Dimitris; Chang, Allison; Rudin, Cynthia (Massachusetts Institute of Technology, Operations Research Center, 2012-09-25)
  • Xu, Ping Josephine, 1977- (Massachusetts Institute of Technology, 2005)
    We present three problems motivated by order fulfillment in online retailing. First, we focus on one warehouse or fulfillment center. To optimize the storage space and labor, an e-tailer splits the warehouse into two regions ...
  • Gabbay, Henry (Massachusetts Institute of Technology, Operations Research Center, 1974)
  • Fast, Shannon M. (Shannon Marie) (Massachusetts Institute of Technology, 2014)
    Epidemic trajectories and associated social responses vary widely between populations, with severe reactions sometimes observed. When confronted with fatal or novel pathogens, people exhibit a variety of behaviors from ...
  • Nagurney, Anna; Kim, Dae-Shik (Massachusetts Institute of Technology, Operations Research Center, 1990-07)
    In this paper we consider a dynamic market equilibrium problem over a finite time horizon in which a commodity is produced, consumed, traded, and inventoried over space and time. We first formulate the problem as a network ...
  • Nagurney, Anna; Kim, Dae-Shik (Massachusetts Institute of Technology, Operations Research Center, 1990-07)
    In this paper we focus on the parallel computation of large - scale equilibrium and optimization problems arising in the social and economic sciences. In particular, we consider problems which can be visualized and ...
  • Karp, Richard M.; Orlin, James B., 1953- (Massachusetts Institute of Technology, Operations Research Center, 1980-10)
    Let G = (V,E) be a digraph with n vertices including a special vertex s. Let E' C E be a designated subset of edges. For each e E E there is an associated real number fl(e). Furthermore, let 1 if e E E' f2(e): 0 if e E-E' ...
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