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Browsing Operations Research Center by Title

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  • Haehling Von Lanzenauer, Christoph; Wright, Don D. (Massachusetts Institute of Technology, Operations Research Center, 1976-02)
    The problem of determining when to repair and when to replace failing equipment is a concern of management of productive resources. Inefficient management due to the use of non-optimal repair-replacement policies can have ...
  • Rajagopalan, Shreevatsa (Massachusetts Institute of Technology, 2010)
    The question of computing average of numbers present at nodes in a network in a distributed manner using gossip or message-passing algorithms has been of great recent interest across disciplines -- algorithms, control and ...
  • Keilson, Julian; Servi, Les D.; Massachusetts Institute of Technology. Operations Research Center (Massachusetts Institute of Technology, Operations Research Center, 1987)
  • Keilson, Julian; Servi, Les D. (Massachusetts Institute of Technology, Operations Research Center, 1987)
  • Keilson, Julian; Servi, Les D.; Massachusetts Institute of Technology. Operations Research Center (Massachusetts Institute of Technology, Operations Research Center, 1988)
  • Balakrishnan, Anantaram; Magnanti, Thomas L.; Mirchandani, Prakash (Massachusetts Institute of Technology, Operations Research Center, 1994-07)
    Survivability is becoming an increasingly important criterion in network design. This paper studies formulations, heuristic worst-case performance, and linear programming relaxations for two classes of survivable network ...
  • Balakrishnan, Anantaram; Magnanti, Thomas L.; Wong, Richard T. (Massachusetts Institute of Technology, Operations Research Center, 1987-05)
    The fixed-charge network design problem arises in a variety of problem contexts including transportation, communication, and production scheduling.We develop a family of dual ascent algorithms for this problem. This approach ...
  • Balakrishnan, Anantaram; Magnanti, Thomas L.; Mirchandani, Prakash (Massachusetts Institute of Technology, Operations Research Center, 1991-12)
    Given an undirected network with L possible facility types for each edge, and a partition of the nodes into L levels, the Multi-level Network Design (MLND) problem seeks a fixed cost minimizing design that spans all the ...
  • Bitran, Gabriel R.; Magnanti, Thomas L. (Massachusetts Institute of Technology, Operations Research Center, 1975)
  • Bitran, Gabriel R.; Magnanti, Thomas L. (Massachusetts Institute of Technology, Operations Research Center, 1975-04)
    In this paper, we consider algorithms, duality and sensitivity analysis for optimization problems, called fractional, whose objective function is the ratio of two real valued functions. We discuss a procedure suggested by ...
  • Bitran, Gabriel R.; Magnanti, Thomas L. (Massachusetts Institute of Technology, Operations Research Center, 1979-10)
    Most practical applications of multicriteria decision making can be formulated in terms of efficient points determined by preference cones with polyhedral closure. Using linear approximations and duality from mathematical ...
  • Wein, Lawrence M.; Massachusetts Institute of Technology. Operations Research Center (Massachusetts Institute of Technology, Operations Research Center, 1988)
  • Belloni, Alexandre; Sagastizabal, Claudia (Massachusetts Institute of Technology, Operations Research Center, 2004-06)
    Lagrangian relaxation is a popular technique to solve difficult optimization problems. However, the applicability of this technique depends on having a relatively low number of hard constraints to dualize. When there are ...
  • Vranas, Peter B.; Bertsimas, Dimitris J.; Odoni, Amedeo R. (Massachusetts Institute of Technology, Operations Research Center, 1992-06)
    The yearly congestion costs in the US airline industry are estimated to be of the order of $2 billion. In [6] we have introduced and studied generic integer programming models for the static multi-airport ground holding ...
  • Wang, He, Ph. D. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2016)
    With the advances in information technology and the increased availability of data, new approaches that integrate learning and decision making have emerged in operations management. The learning-and-optimizing approaches ...
  • Modiano, Eduardo Marco; Shapiro, Jeremy F., 1939- (Massachusetts Institute of Technology, Operations Research Center, 1979)
  • Williams, Gareth Pierce (Massachusetts Institute of Technology, 2011)
    Planning and controlling production in a large make-to-order manufacturing network poses complex and costly operational problems. As customers continually submit customized orders, a centralized decision-maker must quickly ...
  • Martin, Kiel M. (Kiel Michael) (Massachusetts Institute of Technology, 2007)
    In this thesis, we analyze intratheater airlift operations, and propose methods to improve the planning process. The United States Air Mobility Command is responsible for the air component of the world wide U.S. military ...
  • Schonfeld, Daniel (Daniel Ryan) (Massachusetts Institute of Technology, 2015)
    Despite groundbreaking technology and revised operating procedures designed to improve the safety of air travel, numerous aviation accidents still occur every year. According to a recent report by the FAA's Aviation Weather ...
  • Bertsimas, Dimitris J.; Perakis, Georgia (Massachusetts Institute of Technology, Operations Research Center, 2001-08)
    We present an optimization approach for jointly learning the demand as a functionof price, and dynamically setting prices of products in an oligopoly environment in order to maximize expected revenue. The models we consider ...
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