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Special issue - Operations Research and Mathematical Programming (dedicated to Prof. Alain Quilliot)

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Review

Multi-objective permutation and non-permutation flow shop scheduling problems with no-wait: A systematic literature review

Received: 17 August 2019 / Revised: 13 January 2020 / Accepted: 19 May 2020
DOI: https://doi.org/10.1051/ro/2020055

Special issue - Decision and Optimization in Service, Control and Engineering (CoDIT2019-DOSCE)

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Sustainable clustering of customers using capacitive artificial neural networks: A case study in Pegah Distribution Company

Received: 16 October 2019 / Revised: 16 March 2020 / Accepted: 31 May 2020
DOI: https://doi.org/10.1051/ro/2020059
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Cross-brand and cross-channel advertising strategies in a dual-channel supply chain

Received: 08 February 2018 / Revised: 11 August 2018 / Accepted: 12 October 2018
DOI: https://doi.org/10.1051/ro/2018091
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Decision making and coordination of fresh agriculture product supply chain considering fairness concerns

Received: 27 March 2018 / Revised: 25 December 2018 / Accepted: 14 March 2019
DOI: https://doi.org/10.1051/ro/2019031
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Coordination of elderly healthcare service supply chain with information asymmetry: Designs of option contracts under different demand distribution statuses

Received: 10 July 2018 / Revised: 29 January 2019 / Accepted: 14 March 2019
DOI: https://doi.org/10.1051/ro/2019032
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Enterprise learning performance evaluation in the process of cooperative innovation using three-parameter fuzzy linguistic Heronian mean operator

Received: 05 January 2019 / Accepted: 14 March 2019
DOI: https://doi.org/10.1051/ro/2019034
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    Production inventory model for controllable deterioration rate with shortages

    Received: 12 September 2017 / Revised: 19 February 2019 / Accepted: 20 April 2019
    DOI: https://doi.org/10.1051/ro/2019042
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    A non-linear-threshold-accepting function based algorithm for the solution of economic dispatch problem

    Received: 03 March 2018 / Revised: 08 April 2019 / Accepted: 20 April 2019
    DOI: https://doi.org/10.1051/ro/2019043
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    Optimal production lot size under backup agreement allowing substitute products

    Received: 05 December 2018 / Revised: 19 April 2019 / Accepted: 27 April 2019
    DOI: https://doi.org/10.1051/ro/2019047
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    Price strategies and salesforce compensation design with overconfident sales agent

    Received: 24 June 2018 / Revised: 31 March 2019 / Accepted: 02 May 2019
    DOI: https://doi.org/10.1051/ro/2019048
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    A novel approach to safety stock management in an integrated supply chain with controllable lead time and ordering cost reduction using present value

    Received: 05 December 2017 / Revised: 27 February 2019 / Accepted: 07 May 2019
    DOI: https://doi.org/10.1051/ro/2019051
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    An Optimistic-Pessimistic DEA Model Based on Game Cross Efficiency Approach

    Received: 15 July 2018 / Revised: 10 March 2019 / Accepted: 07 May 2019
    DOI: https://doi.org/10.1051/ro/2019052
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    Strategic sourcing under recall loss sharing and product quality investment

    Received: 07 December 2018 / Revised: 18 April 2019 / Accepted: 07 May 2019
    DOI: https://doi.org/10.1051/ro/2019053
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    Effect of inspection errors on imperfect production inventory model with warranty and price discount dependent demand rate

    Received: 22 February 2019 / Revised: 16 April 2019 / Accepted: 06 May 2019
    DOI: https://doi.org/10.1051/ro/2019054
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    The Karush-Kuhn-Tucker conditions for multiple objective fractional interval valued optimization problems

    Received: 14 January 2019 / Revised: 10 May 2019 / Accepted: 10 May 2019
    DOI: https://doi.org/10.1051/ro/2019055
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    Economic lot-size problem for a cleaner manufacturing system with warm-up period

    Received: 11 February 2019 / Revised: 22 April 2019 / Accepted: 22 May 2019
    DOI: https://doi.org/10.1051/ro/2019056
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    Solving optimal control problems using the Picard's Iteration Method

    Received: 13 June 2018 / Revised: 08 May 2019 / Accepted: 27 May 2019
    DOI: https://doi.org/10.1051/ro/2019057
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    A geometric programming approach for a vendor managed inventory of a multiretailer multi-item EPQ model

    Received: 25 September 2018 / Revised: 14 April 2019 / Accepted: 27 May 2019
    DOI: https://doi.org/10.1051/ro/2019058
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    Recommending investment opportunities given congestion by adaptive network data envelopment analysis model: Assessing sustainability of supply chains

    Received: 07 November 2018 / Revised: 13 February 2019 / Accepted: 27 May 2019
    DOI: https://doi.org/10.1051/ro/2019059
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    A new model for logistic and transportation of fashion goods in the presence of stochastic market demands considering restricted retailers capacity

    Received: 29 November 2018 / Revised: 27 May 2019 / Accepted: 04 June 2019
    DOI: https://doi.org/10.1051/ro/2019061
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    Incentive design with customer satisfaction for business process outsourcing: Multi-task vs. Multi-agent

    Received: 22 January 2019 / Revised: 07 June 2019 / Accepted: 07 June 2019
    DOI: https://doi.org/10.1051/ro/2019062
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    A bi-objective model for robust local container drayage problem

    Received: 07 January 2019 / Revised: 26 May 2019 / Accepted: 12 June 2019
    DOI: https://doi.org/10.1051/ro/2019063
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    An analysis of steady-state distribution in M/M/1 queueing system with balking based on concept of statistical mechanics

    Received: 31 October 2018 / Revised: 21 May 2019 / Accepted: 12 June 2019
    DOI: https://doi.org/10.1051/ro/2019064
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    Warehouse redesigning in a three-echelon supply chain network with consideration of routing under uncertainty

    Received: 06 May 2018 / Revised: 20 April 2019 / Accepted: 20 June 2019
    DOI: https://doi.org/10.1051/ro/2019065
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    Information sharing and leakage in the two-echelon supply chain

    Received: 17 February 2019 / Revised: 28 April 2019 / Accepted: 20 June 2019
    DOI: https://doi.org/10.1051/ro/2019066
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    Review

    Dynamic cooperative advertising strategy in OAO supply chain with customer return

    Received: 14 September 2018 / Revised: 26 April 2019 / Accepted: 20 June 2019
    DOI: https://doi.org/10.1051/ro/2019067
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    Regularity conditions and Farkas-type results for systems with fractional functions

    Received: 28 November 2018 / Revised: 08 July 2019 / Accepted: 12 July 2019
    DOI: https://doi.org/10.1051/ro/2019070
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    Efficiency and super-efficiency under inter-temporal dependence

    Received: 04 February 2019 / Revised: 20 July 2019 / Accepted: 23 July 2019
    DOI: https://doi.org/10.1051/ro/2019072
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    Coordination contract for a competitive pharmaceutical supply chain considering corporate social responsibility and pricing decisions

    Received: 15 March 2019 / Revised: 18 June 2019 / Accepted: 23 July 2019
    DOI: https://doi.org/10.1051/ro/2019073
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    Analysis of a geometric catastrophe model with discrete-time batch renewal arrival process

    Received: 12 December 2018 / Revised: 16 July 2019 / Accepted: 26 July 2019
    DOI: https://doi.org/10.1051/ro/2019074
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    Nested bi-level metaheuristic algorithms for cellular manufacturing systems considering workers’ interest

    Received: 19 February 2018 / Revised: 23 July 2019 / Accepted: 14 August 2019
    DOI: https://doi.org/10.1051/ro/2019075
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    A Production Inventory Model for deteriorating items with backlog-dependent demand

    Received: 23 August 2018 / Revised: 24 June 2019 / Accepted: 14 August 2019
    DOI: https://doi.org/10.1051/ro/2019076
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    A possibilistic optimization over an integer efficient set within a fuzzy environment

    Received: 24 October 2018 / Revised: 24 July 2019 / Accepted: 14 August 2019
    DOI: https://doi.org/10.1051/ro/2019077
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    Optimal control of an inventory system under whole sale price changes

    Received: 18 May 2019 / Revised: 17 July 2019 / Accepted: 14 August 2019
    DOI: https://doi.org/10.1051/ro/2019078
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    Optimization of generalized order level inventory system under fully permissible delay in payment

    Received: 03 March 2019 / Revised: 23 August 2019 / Accepted: 25 August 2019
    DOI: https://doi.org/10.1051/ro/2019079
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    A variable neighborhood search algorithm with reinforcement learning for a real-life periodic vehicle routing problem with time windows and open routes

    Received: 06 April 2018 / Revised: 28 November 2018 / Accepted: 14 August 2019
    DOI: https://doi.org/10.1051/ro/2019080
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    Optimal ordering and disposal decisions for products with a fixed shelf life

    Received: 28 October 2018 / Revised: 05 July 2019 / Accepted: 01 September 2019
    DOI: https://doi.org/10.1051/ro/2019081
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    Improved enhanced Fritz John condition and constraints qualifications using convexificators

    Received: 11 February 2019 / Revised: 29 July 2019 / Accepted: 04 September 2019
    DOI: https://doi.org/10.1051/ro/2019082
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    A single server queue under random vacation policy

    Received: 26 September 2017 / Revised: 26 June 2019 / Accepted: 06 September 2019
    DOI: https://doi.org/10.1051/ro/2019083
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    Review

    Dynamic programming and optimal control for vector-valued functions: A State-of-the-art review

    Received: 04 August 2017 / Revised: 24 July 2019 / Accepted: 06 September 2019
    DOI: https://doi.org/10.1051/ro/2019085
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    Two-level promotion and ordering policy in a supply chain

    Received: 10 October 2018 / Revised: 22 June 2019 / Accepted: 06 September 2019
    DOI: https://doi.org/10.1051/ro/2019086
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    Equilibrium joining strategies in the single-server constant retrial queues with Bernoulli vacations

    Received: 11 December 2018 / Revised: 02 July 2019 / Accepted: 06 September 2019
    DOI: https://doi.org/10.1051/ro/2019087
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    Project management in a competitive environment: Interdicting a CPM based project and its implications

    Received: 10 February 2019 / Revised: 04 July 2019 / Accepted: 06 September 2019
    DOI: https://doi.org/10.1051/ro/2019089
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    Different linear and non-linear form of trapezoidal neutrosophic numbers, de-neutrosophication techniques and its application in time-cost optimization technique, sequencing problem

    Received: 26 May 2019 / Revised: 11 August 2019 / Accepted: 09 September 2019
    DOI: https://doi.org/10.1051/ro/2019090
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    Statistical Taylor series expansion : An approach for Epistemic uncertainty propagation in Markov reliability models

    Received: 05 November 2018 / Revised: 08 August 2019 / Accepted: 18 September 2019
    DOI: https://doi.org/10.1051/ro/2019091
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    A full investigation of the directional congestion in data envelopment analysis

    Received: 18 May 2018 / Revised: 26 August 2019 / Accepted: 18 September 2019
    DOI: https://doi.org/10.1051/ro/2019092
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    Preservation technology investment, trade credit and partial backordering model for a non-instantaneous deteriorating inventory

    Received: 07 April 2019 / Revised: 16 August 2019 / Accepted: 27 September 2019
    DOI: https://doi.org/10.1051/ro/2019095
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    Decentralized decomposition algorithms for Peer-to-Peer linear optimization

    Received: 29 August 2017 / Revised: 07 October 2019 / Accepted: 15 October 2019
    DOI: https://doi.org/10.1051/ro/2019097
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    Facets based on cycles and cliques for the acyclic coloring polytope

    Received: 27 November 2018 / Revised: 30 September 2019 / Accepted: 19 October 2019
    DOI: https://doi.org/10.1051/ro/2019098
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    Impact of pricing structure on supply chain coordination with cooperative advertising

    Received: 09 February 2019 / Revised: 15 September 2019 / Accepted: 30 October 2019
    DOI: https://doi.org/10.1051/ro/2019099
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    Optimal replenishment decision for retailer with variable demand for deteriorating products under trade-credit policy

    Received: 13 December 2018 / Revised: 22 October 2019 / Accepted: 30 October 2019
    DOI: https://doi.org/10.1051/ro/2019100
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    Approaches to multiple attribute decision making based on picture 2-tuple linguistic power Hamy mean aggregation operators

    Received: 21 March 2017 / Revised: 06 May 2019 / Accepted: 07 November 2019
    DOI: https://doi.org/10.1051/ro/2019101
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    Reserve price of risk-averse search engine in keyword auctions with advertisers’endogenous investment

    Received: 26 June 2018 / Revised: 28 September 2019 / Accepted: 07 November 2019
    DOI: https://doi.org/10.1051/ro/2019103
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      Optimal trade credit and replenishment policies for non-instantaneous deteriorating items

      Received: 14 August 2018 / Revised: 26 August 2019 / Accepted: 07 November 2019
      DOI: https://doi.org/10.1051/ro/2019104
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      Interactive multiobjective DEA target setting using lexicographic DDF

      Received: 05 October 2018 / Revised: 02 October 2019 / Accepted: 10 November 2019
      DOI: https://doi.org/10.1051/ro/2019105
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      Multiple Objective optimization Applied to Speech enhancement problem

      Received: 09 March 2019 / Revised: 11 October 2019 / Accepted: 10 November 2019
      DOI: https://doi.org/10.1051/ro/2019106
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      Integrated production inventory model with variable production rate on quality of products involving probabilistic defective under variable setup cost.

      Received: 21 January 2019 / Revised: 25 September 2019 / Accepted: 10 November 2019
      DOI: https://doi.org/10.1051/ro/2019107
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      Optimizing batch-processing operations with batch-position-based learning effects

      Received: 26 February 2019 / Revised: 27 October 2019 / Accepted: 10 November 2019
      DOI: https://doi.org/10.1051/ro/2019108
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      Erratum

      Electre I choice procedures: An axiomatization approach

      Received: 17 September 2018 / Revised: 11 June 2019 / Accepted: 10 November 2019
      DOI: https://doi.org/10.1051/ro/2019110
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      An Slacks-based measure approach for efficiency decomposition in multi-period two-stage systems

      Received: 04 June 2018 / Revised: 29 October 2019 / Accepted: 05 December 2019
      DOI: https://doi.org/10.1051/ro/2019113
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      Optimal strategies and pricing analysis in M/M/1 queues with a single working vacation and multiple vacations

      Received: 16 January 2019 / Revised: 05 November 2019 / Accepted: 06 December 2019
      DOI: https://doi.org/10.1051/ro/2019114
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      Optimal decisions on fencing, pricing, and selection of process mean in imperfectly segmented markets

      Received: 17 August 2018 / Revised: 04 October 2019 / Accepted: 13 December 2019
      DOI: https://doi.org/10.1051/ro/2019115
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      On the existence and stability of solutions to stochastic equilibrium problems

      Received: 08 July 2019 / Revised: 15 December 2019 / Accepted: 22 December 2019
      DOI: https://doi.org/10.1051/ro/2020001
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      A branch-and-cut and MIP-based heuristics for the Prize-Collecting Travelling Salesman Problem

      Received: 12 August 2019 / Revised: 19 December 2019 / Accepted: 23 December 2019
      DOI: https://doi.org/10.1051/ro/2020002
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      A BRKGA-based matheuristic for the maximum quasi-clique problem with an exact local search strategy

      Received: 10 June 2019 / Revised: 03 January 2020 / Accepted: 04 January 2020
      DOI: https://doi.org/10.1051/ro/2020003
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      The super-connectivity of odd graphs and of their Kronecker double cover

      Received: 11 March 2019 / Revised: 15 November 2019 / Accepted: 03 January 2020
      DOI: https://doi.org/10.1051/ro/2020004
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      An FPTAS algorithm for just-in-time scheduling of a flow shop manufacturing process with different service quality levels

      Received: 16 May 2018 / Revised: 07 January 2020 / Accepted: 27 January 2020
      DOI: https://doi.org/10.1051/ro/2020006
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      Optimal ordering policy in a two-echelon supply chain model with variable backorder and demand uncertainty

      Received: 09 March 2019 / Revised: 08 November 2019 / Accepted: 27 January 2020
      DOI: https://doi.org/10.1051/ro/2020007
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      Coordination for pull and push contracts in decentralized system with uncertain supply

      Received: 22 May 2019 / Revised: 24 January 2020 / Accepted: 28 January 2020
      DOI: https://doi.org/10.1051/ro/2020011
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      Operation mode and effect test of rural revitalization promoted by financial inclusion based on a case study of Yueqing of Zhejiang

      Received: 19 November 2019 / Revised: 04 February 2020 / Accepted: 05 February 2020
      DOI: https://doi.org/10.1051/ro/2020012
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      Parallel Gaussian elimination of symmetric positive definite band matrices for shared-memory multicore architectures

      Received: 11 June 2019 / Revised: 06 February 2020 / Accepted: 10 February 2020
      DOI: https://doi.org/10.1051/ro/2020013
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      A new penalty/stochastic approach to an application of the covering problem: the Gamma Knife treatment

      Received: 02 January 2018 / Revised: 20 December 2019 / Accepted: 19 February 2020
      DOI: https://doi.org/10.1051/ro/2020016
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      Trees with unique minimum glolal offensive alliance

      Received: 18 July 2018 / Revised: 31 January 2020 / Accepted: 19 February 2020
      DOI: https://doi.org/10.1051/ro/2020017
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      An inexact proximal decomposition method for variational inequalities with separable structure

      Received: 15 August 2018 / Revised: 06 February 2020 / Accepted: 19 February 2020
      DOI: https://doi.org/10.1051/ro/2020018
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      "Order-online-and-pickup-offline" strategy for online direct sale of time-sensitive commodities

      Received: 03 May 2019 / Revised: 12 December 2019 / Accepted: 19 February 2020
      DOI: https://doi.org/10.1051/ro/2020019
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      The role of retailer's app channel in a supply chain with quality decision and different power structures

      Received: 24 August 2019 / Revised: 15 December 2019 / Accepted: 19 February 2020
      DOI: https://doi.org/10.1051/ro/2020021
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      Minimizing total completion time for flowshop scheduling problem with uncertain processing times

      Received: 04 October 2019 / Revised: 01 February 2020 / Accepted: 19 February 2020
      DOI: https://doi.org/10.1051/ro/2020022
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      Using multiflow formulations to solve the Steiner tree problem in graphs

      Received: 20 July 2019 / Revised: 12 January 2020 / Accepted: 21 February 2020
      DOI: https://doi.org/10.1051/ro/2020023
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      Lower and upper bounds for the continuous single facility location problem in the presence of a forbidden region and travel barrier

      Received: 22 September 2019 / Revised: 28 January 2020 / Accepted: 22 February 2020
      DOI: https://doi.org/10.1051/ro/2020024
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      Nordhaus$-$Gaddum type results for connected and total domination

      Received: 13 September 2019 / Revised: 31 January 2020 / Accepted: 26 February 2020
      DOI: https://doi.org/10.1051/ro/2020025
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      Service-oriented performance of inventory models with partial information on unimodal demand lead-time distributions

      Received: 22 May 2019 / Revised: 04 February 2020 / Accepted: 09 March 2020
      DOI: https://doi.org/10.1051/ro/2020026
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      Evaluating the potential trade-off between students’ satisfaction and school performance using evolutionary multiobjective optimization

      Received: 03 July 2019 / Revised: 28 January 2020 / Accepted: 06 March 2020
      DOI: https://doi.org/10.1051/ro/2020027
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      Research on evolution of collaboration mechanism of stakeholders in mining enterprises’ implementation of social responsibility

      Received: 25 June 2019 / Revised: 16 February 2020 / Accepted: 08 March 2020
      DOI: https://doi.org/10.1051/ro/2020028
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      A splitting subgradient algorithm for solving equilibrium problems involving the sum of two bifunctions and application to Cournot-Nash model

      Received: 17 June 2019 / Revised: 15 March 2020 / Accepted: 18 March 2020
      DOI: https://doi.org/10.1051/ro/2020030
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      Solving a time-indexed formulation for an unrelated parallel machine scheduling problem by preprocessing and cutting planes

      Received: 14 June 2019 / Revised: 27 February 2020 / Accepted: 18 March 2020
      DOI: https://doi.org/10.1051/ro/2020031
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      An acceptability index based approach for solving shortest path problem on a network with interval weights

      Received: 07 May 2019 / Revised: 19 February 2020 / Accepted: 26 March 2020
      DOI: https://doi.org/10.1051/ro/2020033
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      Dynamic vs static maintenance rate policies for multi-state queueing systems

      Received: 23 October 2019 / Revised: 13 March 2020 / Accepted: 03 April 2020
      DOI: https://doi.org/10.1051/ro/2020034
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      A location-allocation model for quality-based blood supply chain under interval evidential reasoning uncertainty

      Received: 17 June 2019 / Revised: 21 March 2020 / Accepted: 04 April 2020
      DOI: https://doi.org/10.1051/ro/2020035
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      A technology portfolio optimization model considering staged financing and moratorium period under uncertainty

      Received: 30 June 2019 / Revised: 03 January 2020 / Accepted: 04 April 2020
      DOI: https://doi.org/10.1051/ro/2020036
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      Optimal policies for a deterministic continuous-time inventory model with several suppliers

      Received: 02 November 2019 / Revised: 03 March 2020 / Accepted: 04 April 2020
      DOI: https://doi.org/10.1051/ro/2020037
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      Some progress on the mixed Roman domination in graphs

      Received: 30 May 2018 / Revised: 09 March 2020 / Accepted: 15 April 2020
      DOI: https://doi.org/10.1051/ro/2020038
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      Construction of pseudo CRS frontier for a negative data using RTS model of Allahyar & modified multiplier BCC model

      Received: 12 December 2019 / Revised: 14 March 2020 / Accepted: 16 April 2020
      DOI: https://doi.org/10.1051/ro/2020039
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      Impact of an input-output specification on efficiency scores in data envelopment analysis: a banking case study

      Received: 27 March 2019 / Revised: 10 February 2020 / Accepted: 18 April 2020
      DOI: https://doi.org/10.1051/ro/2020040
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      Leagile supply chain network design through a dynamic two-phase optimization in view of Order Penetration Point

      Received: 06 July 2019 / Revised: 11 March 2020 / Accepted: 22 April 2020
      DOI: https://doi.org/10.1051/ro/2020041
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      Almost well-dominated bipartite graphs with minimum degree at least two

      Received: 09 July 2019 / Revised: 11 February 2020 / Accepted: 23 April 2020
      DOI: https://doi.org/10.1051/ro/2020042
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      Optimizing distance constraints frequency assignment with relaxation

      Received: 12 February 2018 / Revised: 03 February 2020 / Accepted: 28 April 2020
      DOI: https://doi.org/10.1051/ro/2020043
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      An improved evaporation rate-water cycle algorithm based genetic algorithm for solving generalized ratio problems

      Received: 12 April 2019 / Revised: 04 April 2020 / Accepted: 28 April 2020
      DOI: https://doi.org/10.1051/ro/2020045
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      Shareholding operation of product remanufacturing —from a sustainable production perspective

      Received: 11 August 2019 / Revised: 11 March 2020 / Accepted: 28 April 2020
      DOI: https://doi.org/10.1051/ro/2020046
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      Can undertaking teaching tasks help improve a hospital’s productivity and quality?

      Received: 22 January 2019 / Revised: 27 December 2019 / Accepted: 30 April 2020
      DOI: https://doi.org/10.1051/ro/2020047
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      Strawberry algorithm and its newly evolved variant for pattern nulling in an antenna array

      Received: 26 December 2018 / Revised: 11 December 2019 / Accepted: 02 May 2020
      DOI: https://doi.org/10.1051/ro/2020048
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      Necessary optimality conditions for a fractional multiobjective optimization problem

      Received: 24 February 2019 / Revised: 03 April 2020 / Accepted: 02 May 2020
      DOI: https://doi.org/10.1051/ro/2020049
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      Optimality and duality in nonsmooth vector optimization with non-convex feasible set

      Received: 18 August 2019 / Revised: 05 May 2020 / Accepted: 06 May 2020
      DOI: https://doi.org/10.1051/ro/2020050
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      The effect of capacity constraint on pricing decision and coordination contract in recycling channels

      Received: 25 February 2019 / Revised: 25 March 2020 / Accepted: 17 May 2020
      DOI: https://doi.org/10.1051/ro/2020051
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        On pricing and bundling decisions for Stackelberg games in parallel channels of substitutable composites

        Received: 19 July 2019 / Revised: 15 May 2020 / Accepted: 17 May 2020
        DOI: https://doi.org/10.1051/ro/2020052
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        An ILS-based heuristic applied to the car renter salesman problem

        Received: 26 August 2019 / Revised: 16 May 2020 / Accepted: 17 May 2020
        DOI: https://doi.org/10.1051/ro/2020053
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        Optimal pricing and deteriorating inventory control when inventory stimulates stochastic demand with reference price effect

        Received: 06 June 2019 / Revised: 23 March 2020 / Accepted: 19 May 2020
        DOI: https://doi.org/10.1051/ro/2020054
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        Capacity investment with revenue sharing and cost compensation under demand uncertain

        Received: 14 October 2019 / Revised: 12 March 2020 / Accepted: 19 May 2020
        DOI: https://doi.org/10.1051/ro/2020056
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        A matheuristic-based approach for the multi-depot home health care assignment, routing and scheduling problem

        Received: 20 September 2019 / Revised: 20 April 2020 / Accepted: 28 May 2020
        DOI: https://doi.org/10.1051/ro/2020057
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        Formulation and a heuristic approach for the Orienteering Location-Routing Problem

        Received: 26 February 2018 / Revised: 02 February 2020 / Accepted: 31 May 2020
        DOI: https://doi.org/10.1051/ro/2020058