RAIRO Oper. Res.最新文献_第3页

Effect of reliability and memory on fractional inventory model incorporating promotional effort on demand 可靠性和记忆对包含促销努力的库存模型的影响

RAIRO Oper. Res. Pub Date : 2023-06-15 DOI: 10.1051/ro/2023095

P. Santra, G. Mahapatra, Akhil Kumar

{"title":"Effect of reliability and memory on fractional inventory model incorporating promotional effort on demand","authors":"P. Santra, G. Mahapatra, Akhil Kumar","doi":"10.1051/ro/2023095","DOIUrl":"https://doi.org/10.1051/ro/2023095","url":null,"abstract":"This paper presents a study of inventory replenishment strategy for efficiently managing sales of a deteriorating item in a retail store. The study addresses pertinent effect on sales pattern due to promotional initiatives. The memory effect generated in the consumers’ mind due to various factors like branding and the stock visibility to customers is incorporated in our model by formulating it as a Caputo-Fabrizio fractional differential equation. Even, in practice, consumers’ purchase patterns are noticed to get influenced by the reliability of product, the same is modelled through demand rate formulation. Influence of both these factors is incorporated into the proposed formulation by representing them as model parameters. The study aims at determining the optimal replenishment quantity and its reordering time for the addressed item in terms of said factors estimated as parameters. Results of the study are analyzed through the data set obtained from a retail store. The analysis of model-parameters infers some managerial insights which match the reality of sales patterns. Our study provides a decision support framework for determining replenishment quantities along with an estimate of replenishment time in connection with promotional initiatives and reliability of the product for achieving minimal total cost incurred while keeping the selling price of the product as fixed.","PeriodicalId":20872,"journal":{"name":"RAIRO Oper. Res.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78706303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Algorithms for three-machine flowshop scheduling problem to minimize makespan with uncertain processing times 加工时间不确定条件下最小化完工时间的三机流水车间调度算法

RAIRO Oper. Res. Pub Date : 2023-06-14 DOI: 10.1051/ro/2023091

A. Allahverdi, Muberra Allahverdi

引用次数: 0

Erratum to: Necessary optimality conditions for a fractional multiobjective optimization problem 对分数型多目标优化问题的必要最优性条件的勘误

RAIRO Oper. Res. Pub Date : 2023-06-14 DOI: 10.1051/ro/2023092

N. Gadhi

引用次数: 0

Marginal-utility-oriented optimization model for collaborative medical supply rebalancing and allocating in response to epidemics 面向边际效用的疫情协同医疗供给再平衡与配置优化模型

RAIRO Oper. Res. Pub Date : 2023-06-12 DOI: 10.1051/ro/2023089

Xuehong Gao, Cejun Cao, Zhijin Chen, Guozhong Huang, Huiling Jiang, Liang Zhou

{"title":"Marginal-utility-oriented optimization model for collaborative medical supply rebalancing and allocating in response to epidemics","authors":"Xuehong Gao, Cejun Cao, Zhijin Chen, Guozhong Huang, Huiling Jiang, Liang Zhou","doi":"10.1051/ro/2023089","DOIUrl":"https://doi.org/10.1051/ro/2023089","url":null,"abstract":"Large-scale epidemics impose significant burdens globally and cause an imbalance of medical supplies among different regions owing to the dissimilarly and unevenly distributed prevalence of the infection. Along with rebalancing the limited medical supplies to meet the demand and supply requirements, ensuring that the supplies are allocated to support the affected regions is also important. Hence, this study focuses on the collaborative medical supply rebalancing and allocating process to balance the demand and supply. The law of diminishing marginal utility is incorporated in this study to quantify the principle of fairness in rebalancing and allocating medical supplies. Accordingly, under uncertainty, a marginal-utility-oriented optimization model is proposed to formulate the rebalancing and allocation of collaborative medical supplies. Because the proposed model is nonlinear and computationally intractable, a linearization approach is adopted to obtain the global optimum that supports decision-making in response to epidemics. Furthermore, a real case study of the United States is implemented, where the sensitivity analysis of critical parameters is conducted on the coronavirus disease 2019. Computational results indicate that additional medical supplies, stock levels, and scenario constructions significantly influence the supply/demand point identification and outgoing/incoming shipments. Moreover, this study not only validates the effectiveness and feasibility of the method but also highlights the importance of incorporating the law of diminishing marginal utility into the collaborative medical supply rebalancing and allocating problem.","PeriodicalId":20872,"journal":{"name":"RAIRO Oper. Res.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84513685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Multi-objective optimization for multimodal transportation routing problem with stochastic transportation time based on data-driven approaches 基于数据驱动的随机运输时间多式联运路线问题多目标优化

RAIRO Oper. Res. Pub Date : 2023-06-12 DOI: 10.2139/ssrn.4093003

Yong Peng, Shue Gao, Dennis Z. Yu, Yun Xiao, Yishan Luo

{"title":"Multi-objective optimization for multimodal transportation routing problem with stochastic transportation time based on data-driven approaches","authors":"Yong Peng, Shue Gao, Dennis Z. Yu, Yun Xiao, Yishan Luo","doi":"10.2139/ssrn.4093003","DOIUrl":"https://doi.org/10.2139/ssrn.4093003","url":null,"abstract":"We study a multi-objective optimization model of a stochastic multimodal transportation network considering key impact factors such as transit cost, time, and transport mode schedule while minimizing total transportation cost and transportation time. In this study, we apply the Monte Carlo simulation to deal with the stochastic transportation time in the network and propose a data-driven approach that combines historical data and the dataset generated by the data mining algorithm to accelerate the search for the nondominated solution in the simulation. To validate the effectiveness of the proposed Data-Driven Multi-Objective Simulation Ant Colony (DD-MSAC) algorithm, we compare the optimum-seeking performance and the running time consumption of the Nondominated Sorting Genetic Algorithm-II (NSGA-II) and the Multi-Objective Simulation Ant Colony (MSAC) algorithm. Then, the MSAC algorithm is adopted as the benchmark for the comparison study on the solving performance of the proposed DD-MSAC algorithm. We conducted 30 times simulation run under different network scales in our numerical examples to show that the DD-MSAC algorithm can be equally effective as the non-data-driven MSAC algorithm in finding a nondominated solution as the average error does not exceed 5%. Meanwhile, we analyze the impact of different data-driven approaches, including data pool and support vector machine, on the solution quality and the running time. Finally, we use an example of China’s Belt Road Initiative to verify the effectiveness of the proposed algorithm.","PeriodicalId":20872,"journal":{"name":"RAIRO Oper. Res.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74129593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Supply chain's green investment strategy to cope with an entrant threat considering differentiated competitiveness 考虑差异化竞争力的供应链绿色投资策略应对进入者威胁

RAIRO Oper. Res. Pub Date : 2023-06-09 DOI: 10.1051/ro/2023086

Chunyu Li, Peng Xing, Yanting Li

{"title":"Supply chain's green investment strategy to cope with an entrant threat considering differentiated competitiveness","authors":"Chunyu Li, Peng Xing, Yanting Li","doi":"10.1051/ro/2023086","DOIUrl":"https://doi.org/10.1051/ro/2023086","url":null,"abstract":"Facing the strengthening of consumer environmental awareness, we investigate the green investment and green subsidy problem of an incumbent supply chain (ISC) taking into account whether the external manufacturer (EM) encroach. Green investment strategies are explored under three scenarios: no-green investment, ex-ante and ex-post green subsidies by the incumbent manufacturer (IM), and green investment by the supplier. The results show that market size does not influence on supplier channel selection and investment decisions. The green investment strategy is significantly affected by investment cost efficiency. Meanwhile, contrary to expectation, the more the investment is, the more willing the incumbent supply chain is to invest. Moreover, under a single-channel format, the incumbent supply chain can’t always achieve Pareto equilibrium. However, in the presence of the supplier green investment, although each green investment scenario can improve the profit, it cannot realize Pareto equilibrium. In addition, when the dual-channel format is adopted, the local areas can achieve Pareto equilibrium under different scenarios. The supplier plays an important role as it holds a monopoly upstream in the supply chain. As a result, the supplier's green investment generates excellent profit and consumer surplus; however, there will be fluctuations in the optimal strategy of the incumbent manufacturer.","PeriodicalId":20872,"journal":{"name":"RAIRO Oper. Res.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75702798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A robust optimization approach for the production-routing problem with lateral transshipment and outsourcing 具有横向转运和外包的生产路线问题的鲁棒优化方法

RAIRO Oper. Res. Pub Date : 2023-06-09 DOI: 10.1051/ro/2023083

Pedram Farghadani-Chaharsooghi, Behrooz Karimi

引用次数: 0

Mathematical models for the cutting stock with limited open stacks problem 有限开堆切削料问题的数学模型

RAIRO Oper. Res. Pub Date : 2023-06-05 DOI: 10.1051/ro/2023079

Gabriel Gazzinelli Guimarães, K. C. Poldi

引用次数: 0

Strategic introduction of private brand in the online retail platform 线上零售平台自有品牌战略导入

RAIRO Oper. Res. Pub Date : 2023-06-05 DOI: 10.1051/ro/2023080

Zongsheng Huang, Wei Zhang, Bin Liu

{"title":"Strategic introduction of private brand in the online retail platform","authors":"Zongsheng Huang, Wei Zhang, Bin Liu","doi":"10.1051/ro/2023080","DOIUrl":"https://doi.org/10.1051/ro/2023080","url":null,"abstract":"Private brands are frequently introduced by online platforms. Motivated by this phenomenon, this study aims to examine the strategic introduction of private brand involving the selling format choice in the online retail platform circumstance. The retail platform determines the private label introduction as well as the selling formats, i.e., reselling or agency selling. We develop a game-theoretic model to examine the private brand introduction problem for the online retail platform. The results indicate that when the potential market for private brand is moderate, the introduction of a private brand will interact with the choice of selling format. Clearly, it makes sense for the platform to exclude or include the private brand strategy based on the size of the potential market when it is extremely small versus relatively large. However, in the case of a medium-sized market for private brands, the platform's private brand introduction and selling format will be determined by both the cost of order fulfillment and the intensity of competition between national brands and private brands. This study contributes to uncovering under what conditions an online retail platform can be beneficial by introducing a private brand.","PeriodicalId":20872,"journal":{"name":"RAIRO Oper. Res.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90227405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Degree conditions for path-factor critical deleted or covered graphs 路径因子关键删除或覆盖图的度条件

RAIRO Oper. Res. Pub Date : 2023-06-02 DOI: 10.1051/ro/2023078

Hong-xia Liu

引用次数: 0