Browsing Operations Research - Ph.D. / Sc.D. by Title
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Browsing Operations Research - Ph.D. / Sc.D. by Title
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(Massachusetts Institute of Technology, 2007)Investors commonly use stopping rules to help them get in and out of their investment positions. Despite their widespread use and support from behavioral finance, there has been little discussion of their impact on portfolio ...
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(Massachusetts Institute of Technology, 2011)In this thesis, we examine theoretical aspects of the Gomory-Chvátal closure of polyhedra. A Gomory-Chvátal cutting plane for a polyhedron P is derived from any rational inequality that is valid for P by shifting the ...
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Governing the human capitalists : ownership and authority in the advertising and airline industries (Massachusetts Institute of Technology, 2004)Theorists suggest the rising value of human capital will mean greater participation by employees in the ownership and governance of firms. This thesis explores aspects of these claims by analyzing the competitive effects ...
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(Massachusetts Institute of Technology, 1998)
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(Massachusetts Institute of Technology, 2006)Human decision making is a topic of great interest to marketers, psychologists, economists, and others. People are often modeled as rational utility maximizers with unlimited mental resources. However, due to the structure ...
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(Massachusetts Institute of Technology, 2006)This thesis investigates the impact of lack of information and decentralization of decision-making on the performance of inventory, supply chain, and transportation systems. In the first part of the thesis, we study two ...
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(Massachusetts Institute of Technology, 2003)While continuous optimization methods have been widely used in statistics and data mining over the last thirty years, integer optimization has had very limited impact in statistical computation. Thus, our objective is to ...
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(Massachusetts Institute of Technology, 2012)In this thesis, we propose new mixed integer optimization (MIO) methods to ad- dress problems in machine learning. The first part develops methods for supervised bipartite ranking, which arises in prioritization tasks in ...
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(Massachusetts Institute of Technology, 2003)We present a Lagrangian based approach to decoupling weakly coupled dynamic optimization problems for both finite and infinite horizon problems. The main contributions of this dissertation are: (i) We develop methods for ...
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(Massachusetts Institute of Technology, 2011)Parallel server queues are a family of stochastic models useful in a variety of applications, including service systems and telecommunication networks. A particular application that has received considerable attention in ...
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(Massachusetts Institute of Technology, 2004)(cont.) Extensions to the core TOTEM model include a demand charge model, used for making daily optimal control decisions when the electric bill includes a charge based on the monthly maximum power draw. The problem of ...
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(Massachusetts Institute of Technology, 2012)As online retailing - or e-tailing - continues to grow as more and more customers buy physical goods on the internet, finding ways to reduce the cost and environmental impact of outbound shipping in this sector will become ...
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(Massachusetts Institute of Technology, 2011)Maintenance scheduling is an integral part of many complex systems. For instance, without effective maintenance scheduling, the combined effects of preventative and corrective maintenance can have severe impacts on the ...
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(Massachusetts Institute of Technology, 2008)For many decades, the American educational system has yielded significant differences in achievement among students in different racial groups, a phenomenon commonly known as the "Achievement Gap". Despite the volume of ...
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(Massachusetts Institute of Technology, 2009)Efficient allocation of scarce resources in networks is an important problem worldwide. In this thesis, we focus on resource allocation problems in a network of congested airports. The increasing demand for access to the ...
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(Massachusetts Institute of Technology, 2009)After reviewing prevalent approaches to the modeling pandemic influenza transmission, we present a simple distributional model that captures the most significant population attributes that alter the dynamics of the outbreak. ...
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(Massachusetts Institute of Technology, 2012)In an event of a pandemic influenza outbreak such as the great "Spanish Flu" of 1918 and the more recent 2009-2010 H1N1 "Swine Flu" scare, pharmaceutical as well as non-pharmaceutical resources are limited in availability ...
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(Massachusetts Institute of Technology, 2006)(cont.) We first address the complexity of finding an optimal minimum cost solution to a congestion game. We consider both network and general congestion games, and we examine several variants of the problem concerning the ...
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(Massachusetts Institute of Technology, 2001)A practical approach for solving computationally intractable problems is to employ heuristic (approximation) algorithms that can find nearly optimal solutions within a reasonable amount of computational time. An improvement ...
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(Massachusetts Institute of Technology, 2010)This thesis presents new methods for exploring data using visualization techniques. The first part of the thesis develops a procedure for visualizing the sampling variability of a plot. The motivation behind this development ...
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