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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 43 for “"RLT"”.
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A measurement of the interference structure function RLT, for the ¹²C(e,e'p) reaction in the quasielastic region
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1995.
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The Effect of Robotic Walking and Activity-based Rehabilitation on Functional Capacity, Secondary Complications & Psychological Well-being in Individuals with Spinal Cord Injury (SCI)
… developed including robotic locomotor training (RLT). The conceptual basis for RLT initially appeared promising; a rehabilitation modality that removes the need for intensive assistance from therapists, whilst facilitating safe and effective over-ground ambulation. However, small sample sizes and …
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Innovative spinal cord injury rehabilitation in the context of a middle-income country: a pilot randomised control study investigating physiological and psychological effects
… is immense. Robotic locomotor training (RLT) is a novel rehabilitation technique that may improve health and wellbeing after SCI. A systematic review was conducted across 27 studies and 308 participants to explore the systemic effects of RLT. This review demonstrated that RLT shows …
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Discrete and Continuous Nonconvex Optimization: Decision Trees, Valid Inequalities, and Reduced Basis Techniques
… enhanced Reformulation-Linearization Technique (RLT)-based linear programming (LP) relaxations for solving nonconvex polynomial programming problems, through the generation of valid inequalities and reduced representations, along with the design and implementation of efficient algorithms. We …
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Semidefinite Cuts and Partial Convexification Techniques with Applications to Continuous Nonconvex Optimization, Stochastic Integer Programming, and Facility Layout Problems
… of the Reformulation-Linearization Technique (RLT). We begin by developing a technique to enhance general problems in nonconvex optimization through the use of a new class of RLT cuts, called semidefinite cuts. While these cuts are valid for any general problem for which RLT is applicable, we …
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Multi-scale deformable layer reflection tomography and application to estimate base-salt geometry
… we propose a reflection layer tomography (RLT) that estimates the geometries of velocity interfaces by minimizing the kinematic errors measured on angle domain common image gathers. The goal for reflection layer tomography is to automatically and effectively estimate velocity interfaces …
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Evaluation and modeling of repeated load test data of asphalt concrete for mechanistic-empirical flexible pavement design
… data obtained from the Repeated Load Test (RLT) as an alternative to using DM. In addition, a model to represent the accumulated strain data obtained from the RLT was developed. The accuracy and behavior of the current model and the model developed in this study in representing a mix from …
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Solving Factorable Programs with Applications to Cluster Analysis, Risk Management, and Control Systems Design
… the Reformulation-Linearization Technique (RLT) to enhance model formulations and to design effective solution techniques for solving several practical instances of continuous nonconvex optimization problems, namely, the hard and fuzzy clustering problems, risk management problems, and …
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Global Optimization of Nonconvex Factorable Programs with Applications to Engineering Design Problems
… a {em Reformulation-Linearization Technique} (RLT). The initial stage of the lower bounding step generates a tight, nonconvex polynomial programming relaxation for the given problem. Subsequently, an LP relaxation is constructed for the resulting polynomial program via a suitable RLT procedure. …
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A Radical Approach to Photochemical Transformations Using Earth-Abundant Metals
… we also demonstrated radical ligand transfer (RLT) as an effective pathway to sequester transient alkyl radical species, introducing a powerful tool to utilize these reactive species for enhancing molecular complexity of feedstock chemicals. Herein, I will share my research of radical …
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Enhanced intersection cutting plane and reformulation-linearization enumeration based approaches for linear complementarity problems
… a novel Reformulation-Linearization Technique (RLT). We do not place any restrictions on the matrix M associated with LCP in this case. This RLT scheme provides an equivalent linear, mixed integer programming formulation of LCP, that possesses a tight linear programming relaxation. The solution …
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Polynomial and indefinite quadratic programming problems: algorithms and applications
… uses a Reformulation Linearization Technique (RLT) to generate tight linear programming relaxations. This bounding scheme involves an automatic reformulation of the problem via the addition of certain nonlinear implied constraints that are generated by using the products of the simple bounding …
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Algorithmic Approaches for Solving the Euclidean Distance Location and Location-Allocation Problems
… of the Reformulation-Linearization Technique (RLT) is suitably designed which transforms the representation of this nonconvex problem from the original defining space into a higher dimensional space associated with a lower bounding (largely linear) convex program. The maximum of the RLT …
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Hveem Mix Design and Engineering Properties of Cold In-Place Recycling Mixtures
… using the Repeated Load Triaxial test (RLT). Dynamic modulus tests were conducted using the Asphalt Mixture Performance Tester (AMPT) device and the master curves were built using AASHTO-R84 standard procedure for asphalt mixtures with few modifications. RLT tests were conducted using …
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A reformulation-linearization based implicit enumeration algorithm for the rectilinear distance location-allocation problem
… via the Reformulation-Linearization Technique (RLT), the latter formulation is shown to provide stronger lower bounds and is therefore adopted for implementation. In addition, cutting planes are developed to further strengthen the linear programming relaxation. The special structure of the …
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Optimization Models and Analysis of Routing, Location, Distribution, and Design Problems on Networks
… the Reformulation-Linearization Technique (RLT), a tight linear lower bounding problem is derived. This problem provides an enhancement and a more precise representation of previous lower bounding relaxations that use similar approximations. Computational experience on three standard test …
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Development of a Mechanistic-Based Approach to Evaluate Critical Conditions of Hot Mix Asphalt Mixtures
… mixtures using the repeated load triaxial (RLT) test at field representative testing conditions to determine the critical temperature of the HMA beyond which the mixture becomes unstable. An HMA was considered appropriate for a specific project location if the determined critical temperature …
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Comparative Evaluation of Field and Laboratory-Produced Foamed Asphalt Mixture from Reno, Nevada
… through the use of the repeated load triaxial (RLT) to measure the flow number (FN). The low-temperature cracking resistance of the mixtures was evaluated using the thermal stress restrained specimen test (TSRST). From this study it was determined that the HMA had better resistance to moisture …
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A new reformulation-linearization technique for the bilinear programming and related problems, with applications to risk management
… a novel Reformulation-Linearization Technique (RlT) that uses an enumeration of variable factors to multiply constraints, and uses constraints to multiply constraints, to generate new nonlinear constraints which are subsequently linearized by defining new variables. The motivation is to …
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Global Optimization of the Nonconvex Containership Design Problem Using the Reformulation-Linearization Technique
… the Reformulation-Linearization Technique (RLT)-based procedure of Sherali and Tuncbilek (1992, 1997) offers a viable alternative (BARON itself incorporates some elements of the latter approach). The resulting solution is refined by the application of a local search method. This procedure is …
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