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检索条件"主题词=Mixed-integer programming"
1485 条 记 录,以下是471-480 订阅
排序:
On the analysis of last-mile relief delivery on a tree network: Application to the 2015 Nepal earthquake
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JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY 2021年 第4期72卷 727-743页
作者: Khare, Abhinav Batta, Rajan Kang, Jee Eun Univ Buffalo Buffalo NY USA
The last mile delivery in humanitarian relief supply often happens on a tree or an almost-tree network allowing split deliveries. We present a relief delivery model incorporating a tree network for last mile delivery.... 详细信息
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Resilience through multicast - An optimization model for multi-hop wireless sensor networks
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AD HOC NETWORKS 2020年 107卷 102239-102239页
作者: Ostrowski, Bartlomiej Pioro, Michal Tomaszewski, Artur Fitzgerald, Emma Warsaw Univ Technol Inst Telecommun Warsaw Poland Lund Univ Dept Elect & Informat Technol Lund Sweden
In this paper we study resilience of TDMA-based wireless sensor networks to node failures. We investigate exploiting mutlicast routing for providing redundancy in the number of gateways used by data streams, so as to ... 详细信息
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Tank allocation problems in maritime bulk shipping
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COMPUTERS & OPERATIONS RESEARCH 2009年 第11期36卷 3051-3060页
作者: Hvattum, Lars Magnus Fagerholt, Kjetil Armentano, Vinicius Amaral Norwegian Univ Sci & Technol Dept Ind Econ & Technol Management N-7034 Trondheim Norway Norwegian Marine Technol Res Inst MARINTEK Trondheim Norway Univ Estadual Campinas Fac Engn Eletr & Comp Campinas Brazil
In real world maritime routing problems, many restrictions and regulations influence the daily operations. The effects of several of these restrictions have not yet been studied in depth from an operations research pe... 详细信息
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Combination of Nonlinear and Linear Optimization of Transient Gas Networks
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INFORMS JOURNAL ON COMPUTING 2011年 第4期23卷 605-617页
作者: Domschke, Pia Geissler, Bjorn Kolb, Oliver Lang, Jens Martin, Alexander Morsi, Antonio Tech Univ Darmstadt Dept Math Ctr Smart Interfaces D-64289 Darmstadt Germany Univ Erlangen Nurnberg Dept Math D-91058 Erlangen Germany Tech Univ Darmstadt Grad Sch Computat Engn D-64289 Darmstadt Germany
In this paper, we study the problem of technical transient gas network optimization, which can be considered a minimum cost flow problem with a nonlinear objective function and additional nonlinear constraints on the ... 详细信息
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Polyhedral Results and Branch-and-Cut for the Resource Loading Problem
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INFORMS JOURNAL ON COMPUTING 2021年 第1期33卷 105-119页
作者: Song, Guopeng Kis, Tamas Leus, Roel Katholieke Univ Leuven Fac Econ & Business ORSTAT B-3000 Leuven Belgium Natl Univ Def Technol Coll Syst Engn Changsha 410073 Peoples R China Inst Comp Sci & Control H-1111 Budapest Hungary
We study the resource loading problem, which arises in tactical capacity planning. In this problem, one has to plan the intensity of execution of a set of orders to minimize a cost function that penalizes the resource... 详细信息
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A solution method for treatment scheduling in rehabilitation hospitals with real-life requirements
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IMA JOURNAL OF MANAGEMENT MATHEMATICS 2019年 第4期30卷 367-386页
作者: Xiao, Liyang Dridi, Mahjoub El Hassani, Amir Hajjam Lin, Wanlong Fei, Hongying Univ Bourgogne Franche Comte Nanomed Lab UTBM F-90010 Belfort France Shanghai 3 Rehabil Hosp 100 JiaoCheng Rd Shanghai Peoples R China Shanghai Univ Sch Management 99 ShangDa Rd Shanghai Peoples R China
In this study, we aim to minimize the total waiting time between successive treatments for inpatients in rehabilitation hospitals (departments) during a working day. Firstly, the daily treatment scheduling problem is ... 详细信息
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A Mathematical Modelling and Optimization Approach for a Maritime Facility Location Transshipment Problem
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INFORMATICA 2018年 第4期29卷 609-632页
作者: Al-Yakoob, Salem M. Sherali, Hanif D. Kuwait Univ Dept Math Coll Sci POB 5969 Safat 13060 Kuwait Virginia Tech Grado Dept Ind & Syst Engn 0118 Blacksburg VA 24061 USA
This paper presents an optimization based mathematical modelling approach for a single source single destination crude oil facility location transshipment problem. We began by formulating a mixed-integer nonlinear pro... 详细信息
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A polyhedral study of the cardinality constrained knapsack problem
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MATHEMATICAL programming 2003年 第3期96卷 439-467页
作者: de Farias, IR Nemhauser, GL CORE B-1348 Louvain Belgium Georgia Inst Technol Sch Ind & Syst Engn Atlanta GA 30332 USA
A cardinality constrained knapsack problem is a continuous knapsack problem in which no more than a specified number of nonnegative variables are allowed to be positive. This structure occurs, for example, in areas su... 详细信息
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A distributionally robust optimization approach for stochastic elective surgery scheduling with limited intensive care unit capacity
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EUROPEAN JOURNAL OF OPERATIONAL RESEARCH 2021年 第3期290卷 901-913页
作者: Shehadeh, Karmel S. Padman, Rema Lehigh Univ Dept Ind & Syst Engn Bethlehem PA 18015 USA Carnegie Mellon Univ Heinz Coll Informat Syst & Publ Policy Pittsburgh PA USA
In this paper, we study the decision process of assigning elective surgery patients to available surgical blocks in multiple operating rooms (OR) under random surgery durations, random postoperative length-of-stay in ... 详细信息
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A modification of Benders' decomposition algorithm for discrete subproblems: An approach for stochastic programs with integer recourse
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JOURNAL OF GLOBAL OPTIMIZATION 2002年 第1-4期22卷 319-342页
作者: Sherali, HD Fraticelli, BMP Virginia Polytech Inst & State Univ Grado Dept Ind & Syst Engn 0118 Blacksburg VA 24061 USA
In this paper, we modify Benders' decomposition method by using concepts from the Reformulation-Linearization Technique (RLT) and lift-and-project cuts in order to develop an approch for solving discrete optimizat... 详细信息
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