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New proposals for modelling and solving the problem of covering solids using spheres of different radii
不同半径球体覆盖实体问题的建模与求解新建议
作者：Pedro Henrique González Silva , Ana Flávia U. S. Macambira , Renan Vicente Pinto ...
来源：[J].RAIRO - Operations Research(IF 0.237), 2020, Vol.54 (3), pp.873-882
摘要：Given a solid T , represented by a compact set in ℝ3, the aim of this work is to find a covering of T by a finite set of spheres of different radii. Some level of intersection between the spheres is necessary to cover the solid. Moreover, the volume occupied by th...
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    Store-brand introduction and production arrangement in the presence of multiple retailers
    多零售商参与下的店铺品牌导入与生产安排
    作者：Rong Cheng , Weimin Ma , Hua Ke
    来源：[J].RAIRO - Operations Research(IF 0.237), 2020, Vol.54 (3), pp.827-843
    摘要：Store brands play an increasingly important role in retailing business, leading more and more retailers to introduce store brands. Abundant research focuses on competition between store brands and national brands and counterstrategies that national-brand manufacturers can ta...
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      A heuristic for the minimum cost chromatic partition problem
      最小代价色分割问题的一个启发式算法
      作者：Celso C. Ribeiro , Philippe L. F. dos Santos
      来源：[J].RAIRO - Operations Research(IF 0.237), 2020, Vol.54 (3), pp.845-871
      摘要：The graph coloring problem consists in coloring the vertices of a graph G=(V, E) with a minimum number of colors, such as that any two adjacent vertices receive different colors. The minimum cost chromatic partition problem (MCCPP) is an extension of the graph coloring problem in...
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        Inventory management strategies for the Calabrian hospitals system
        卡拉布里亚医院系统的库存管理策略
        作者：Francesca Guerriero , Giovanna Miglionico , Filomena Olivito
        来源：[J].RAIRO - Operations Research(IF 0.237), 2020, Vol.54 (3), pp.795-813
        摘要：This paper addresses some inventory management problems arising in the Italian health care system. We aim at defining inventory management strategies for the hospitals located in Calabria, a Region in the South of Italy. We present some classical inventory management formulations...
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          The disasters queue with working breakdowns and impatient customers
          灾难总是伴随着工作故障和不耐烦的顾客
          作者：Mian Zhang , Shan Gao
          来源：[J].RAIRO - Operations Research(IF 0.237), 2020, Vol.54 (3), pp.815-825
          摘要：We consider the M / M /1 queue with disasters and impatient customers. Disasters only occur when the main server being busy, it not only removes out all present customers from the system, but also breaks the main server down. When the main server is down, it is sent for repair. T...
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            Variant impatient behavior of a Markovian queue with balking reserved idle time and working vacation
            马尔可夫排队系统在保留空闲时间和工作休假条件下的变不耐烦行为
            作者：Arumugam Azhagappan , Thirunavukkarasu Deepa
            来源：[J].RAIRO - Operations Research(IF 0.237), 2020, Vol.54 (3), pp.783-793
            摘要：The customers’ impatience and its effect plays a major role in the economy of a country. It directly affects the sales of products and profit of a trading company. So, it is very important to study various impatient behaviors of customers and to analyze different strategies ...
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              An exact minimax penalty function approach to solve multitime variational problems
              求解多时间变分问题的精确极大极小罚函数法
              作者：Anurag Jayswal , Preeti
              来源：[J].RAIRO - Operations Research(IF 0.237), 2020, Vol.54 (3), pp.637-652
              摘要：This paper aims to examine an appropriateness of the exact minimax penalty function method applied to solve the partial differential inequation (PDI) and partial differential equation (PDE) constrained multitime variational problems. The criteria for equivalence between the optim...
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                Comparisons of customer behavior in Markovian queues with vacation policies and geometric abandonments
                马尔可夫排队中顾客行为与休假策略和几何放弃的比较
                作者：Wei Sun , Shiyong Li , Naishuo Tian
                来源：[J].RAIRO - Operations Research(IF 0.237), 2020, Vol.54 (3), pp.615-636
                摘要：This paper mainly studies customers’ equilibrium balking behavior in Markovian queues with single vacation and geometric abandonments. Whenever the system becomes empty, the server begins a vacation. If it is still empty when the vacation ends, the server stays idle and wait...
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                  A neoteric approach to geometric shipment policy in an integrated supply chain with setup cost reduction and freight cost using service level constraint
                  基于服务水平约束的降低成本和运费的集成供应链几何发货策略研究
                  作者：Selvaraj Hemapriya , Ramasamy Uthayakumar
                  来源：[J].RAIRO - Operations Research(IF 0.237), 2020, Vol.54 (3), pp.653-673
                  摘要：This paper explores a neoteric approach to geometric shipment policy and concerns the impact of controllable lead time, setup cost reduction, lost sales caused by stock-out and freight cost within an integrated vendor–buyer supply chain configuration using service-level cons...
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                    A hybrid fix-and-optimize heuristic for integrated inventory-transportation problem in a multi-region multi-facility supply chain
                    多区域多设施供应链库存运输问题的混合定优启发式算法
                    作者：Ajinkya Tanksale , J.K. Jha
                    来源：[J].RAIRO - Operations Research(IF 0.237), 2020, Vol.54 (3), pp.749-782
                    摘要：In this work, we study an integrated inventory-transportation problem in a supply chain consisting of region-bound warehouses located in different regions. The supply chain deals with multiple items that compete for storage space and transportation capacity with multi-modal ...
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