RAIRO - Operations Research

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Special issue - Operations Research Applications in Industry

An Extended Approach for Manufacturing Strategy Process base on Organization Performance through Fuzzy QFD

Received: 17 March 2017 / Revised: 17 May 2018 / Accepted: 04 September 2018
DOI: https://doi.org/10.1051/ro/2018065

On the Problem of Minimizing the Cost with Optical Devices in Wavelength Division Multiplexing Optical Networks: complexity analysis, mathematical formulation and improved heuristics

Received: 28 June 2017 / Revised: 09 April 2018 / Accepted: 04 September 2018
DOI: https://doi.org/10.1051/ro/2018072

A new robust possibilistic programming model for reliable supply chain network design: A case study of lead-acid battery supply chain

Received: 26 March 2017 / Revised: 20 April 2018 / Accepted: 04 September 2018
DOI: https://doi.org/10.1051/ro/2018073

ROADEF 2017

Development of a new cost pps and decomposition of observed actual cost for DMU in a non-competitive space in DEA

Received: 13 October 2018 / Revised: 24 April 2019 / Accepted: 20 June 2019
DOI: https://doi.org/10.1051/ro/2019068

Fuzzy Data Envelopment Analysis: Recent Developments and Applications

Performance evaluation of portfolios with fuzzy returns

Received: 30 September 2016 / Revised: 05 March 2019 / Accepted: 21 July 2019
DOI: https://doi.org/10.1051/ro/2019071

On multi-level multi-objective linear fractional programming problem with interval parameters

Received: 09 November 2017 / Revised: 06 July 2018 / Accepted: 03 August 2018
DOI: https://doi.org/10.1051/ro/2018063

A three-echelon supply chain model with price and two-level quality dependent demand

Received: 08 February 2018 / Revised: 14 July 2018 / Accepted: 04 September 2018
DOI: https://doi.org/10.1051/ro/2018066

Equilibrium and incentives for supervisor-postgraduate collaborations: A game-theoretic approach

Received: 29 January 2018 / Revised: 22 June 2018 / Accepted: 04 September 2018
DOI: https://doi.org/10.1051/ro/2018067

A rule-based heuristic algorithm for on-line order batching and scheduling in an order picking warehouse with multiple pickers

Received: 13 November 2017 / Revised: 24 July 2018 / Accepted: 04 September 2018
DOI: https://doi.org/10.1051/ro/2018069

Closed form of the response function in FDH technologies: Theory, computation and application

Received: 02 October 2017 / Revised: 01 July 2018 / Accepted: 04 September 2018
DOI: https://doi.org/10.1051/ro/2018070

An optimization technique for national income determination model with stability analysis of differential equation in discrete and continuous process under the uncertain environment

Received: 16 September 2017 / Revised: 23 June 2018 / Accepted: 04 September 2018
DOI: https://doi.org/10.1051/ro/2018071

On the star forest polytope for trees and cycles

Received: 01 June 2015 / Revised: 24 June 2018 / Accepted: 04 September 2018
DOI: https://doi.org/10.1051/ro/2018076

Analysis of state-dependent discrete-time queue with system disaster

Received: 26 March 2017 / Revised: 25 January 2018 / Accepted: 08 September 2018
DOI: https://doi.org/10.1051/ro/2018078

A Linear Programming Based Approach for Composite-Action Markov Decision Processes

Received: 12 December 2017 / Revised: 06 July 2018 / Accepted: 19 September 2018
DOI: https://doi.org/10.1051/ro/2018081

Necessary and sufficient optimality conditions using convexifactors for mathematical programs with equilibrium constraints

Received: 30 June 2017 / Revised: 18 April 2018 / Accepted: 19 September 2018
DOI: https://doi.org/10.1051/ro/2018084

Two phases inventory model with variable cycle length under discount policy

Received: 16 September 2017 / Revised: 14 August 2018 / Accepted: 27 September 2018
DOI: https://doi.org/10.1051/ro/2018086

Optimizing vendor-managed inventory systems with limited storage capacity and partial backordering under stochastic demand

Received: 06 December 2017 / Revised: 25 August 2018 / Accepted: 12 October 2018
DOI: https://doi.org/10.1051/ro/2018090

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

    On an optimal replenishment policy for inventory models for non-instantaneous deteriorating items with stock dependent demand and partial backlogging

    Received: 05 April 2018 / Revised: 09 September 2018 / Accepted: 12 October 2018
    DOI: https://doi.org/10.1051/ro/2018092

    Two-warehouse inventory model for deteriorating items with partial backlogging and advance payment scheme

    Received: 11 May 2018 / Revised: 16 August 2018 / Accepted: 12 October 2018
    DOI: https://doi.org/10.1051/ro/2018093

    Governmental subsidy policies and supply chain decisions with carbon emission limit and consumer's environmental awareness

    Received: 03 January 2017 / Revised: 10 August 2018 / Accepted: 20 October 2018
    DOI: https://doi.org/10.1051/ro/2018094

    A hybrid algorithm Tabu Search - GRASP for wounded evacuation in disaster response.

    Received: 17 June 2018 / Revised: 06 September 2018 / Accepted: 20 October 2018
    DOI: https://doi.org/10.1051/ro/2018095

    Optimal Multi-Product Supplier Selection under Stochastic Demand with Service Level and Budget Constraints using Learning Vector Quantization Neural Network

    Received: 15 March 2018 / Revised: 27 August 2018 / Accepted: 20 October 2018
    DOI: https://doi.org/10.1051/ro/2018096

    DEA based production planning considering technology heterogeneity with undesirable outputs

    Received: 04 August 2016 / Revised: 18 June 2018 / Accepted: 10 November 2018
    DOI: https://doi.org/10.1051/ro/2018098

    Replenishment of imperfect items in an EOQ inventory model with partial backordering

    Received: 18 May 2017 / Revised: 26 October 2018 / Accepted: 10 November 2018
    DOI: https://doi.org/10.1051/ro/2018099

    A generalized DEA model for inputs (outputs) estimation under inter-temporal dependence

    Received: 03 February 2018 / Revised: 19 September 2018 / Accepted: 10 November 2018
    DOI: https://doi.org/10.1051/ro/2018100

    Investment for process quality improvement and setup cost reduction in an imperfect production process with warranty policy and shortages

    Received: 17 March 2018 / Revised: 09 October 2018 / Accepted: 10 November 2018
    DOI: https://doi.org/10.1051/ro/2018101

    Inventory and pricing decisions for imperfect quality items with inspection errors, sales returns, and partial backorders under inflation

    Received: 12 April 2018 / Revised: 14 October 2018 / Accepted: 10 November 2018
    DOI: https://doi.org/10.1051/ro/2018102

    Preemptive multi-skilled resource constrained project scheduling problem with hard / soft interval due dates

    Received: 13 August 2017 / Revised: 25 September 2018 / Accepted: 13 November 2018
    DOI: https://doi.org/10.1051/ro/2018103

    Randomized Control of Arrivals in a finite-buffer GI/M/1 System with Starting Failures

    Received: 10 October 2017 / Revised: 21 September 2018 / Accepted: 13 November 2018
    DOI: https://doi.org/10.1051/ro/2018104

    A common-weight DEA model for multi-criteria ABC inventory classification with quantitative and qualitative criteria

    Received: 25 November 2017 / Revised: 29 September 2018 / Accepted: 13 November 2018
    DOI: https://doi.org/10.1051/ro/2018105

    Transient and steady-state analysis of a queuing system having customers' impatience with threshold

    Received: 04 May 2018 / Revised: 29 October 2018 / Accepted: 13 November 2018
    DOI: https://doi.org/10.1051/ro/2018106

    Customer relationship management and new product development in designing a robust supply chain

    Received: 08 February 2018 / Revised: 18 October 2018 / Accepted: 13 November 2018
    DOI: https://doi.org/10.1051/ro/2018107

    A bi-level multi-objective data envelopment analysis model for estimating profit and operational efficiency of bank branches

    Received: 26 July 2017 / Revised: 25 October 2018 / Accepted: 25 November 2018
    DOI: https://doi.org/10.1051/ro/2018108

    Modelling pricing, vertical co-op advertising and quality improvement in a non-cooperative three-echelon supply chain using game theory approach

    Received: 06 November 2017 / Revised: 29 May 2018 / Accepted: 25 November 2018
    DOI: https://doi.org/10.1051/ro/2018109

    A Markov decision model with dead ends for operating room planning considering dynamic patient priority

    Received: 15 March 2018 / Revised: 01 November 2018 / Accepted: 25 November 2018
    DOI: https://doi.org/10.1051/ro/2018110

    A continuous approximation approach for supply network design considering radio frequency identification adoption

    Received: 22 April 2018 / Revised: 21 October 2018 / Accepted: 25 November 2018
    DOI: https://doi.org/10.1051/ro/2018112

    The effect of full or partial pricing integration on supply chain management

    Received: 08 May 2018 / Revised: 29 September 2018 / Accepted: 25 November 2018
    DOI: https://doi.org/10.1051/ro/2018113

    A comprehensive study of a backlogging EOQ model with nonlinear heptagonal dense fuzzy environment

    Received: 08 July 2018 / Revised: 11 November 2018 / Accepted: 25 November 2018
    DOI: https://doi.org/10.1051/ro/2018114

    An inertial modified algorithm for solving variational inequalities

    Received: 02 March 2018 / Revised: 26 November 2018 / Accepted: 02 December 2018
    DOI: https://doi.org/10.1051/ro/2018115

    Stochastic analysis of a preemptive retrial queue with orbital search and multiple vacations

    Received: 31 January 2015 / Revised: 17 September 2017 / Accepted: 09 December 2018
    DOI: https://doi.org/10.1051/ro/2018117

    Stochastic decomposition in retrial queueing inventory system

    Received: 06 September 2016 / Revised: 06 December 2018 / Accepted: 09 December 2018
    DOI: https://doi.org/10.1051/ro/2018118

    A mathematical model on eco-friendly manufacturing system under probabilistic demand

    Received: 13 September 2018 / Revised: 15 November 2018 / Accepted: 09 December 2018
    DOI: https://doi.org/10.1051/ro/2018120

    On the Preconditioned Projective Iterative Methods for the Linear Complementarity Problem

    Received: 05 July 2018 / Revised: 17 December 2018 / Accepted: 31 December 2018
    DOI: https://doi.org/10.1051/ro/2019002

    Complexity of inheritance of F-convexity for restricted games induced by minimum partitions

    Received: 22 February 2018 / Revised: 02 November 2018 / Accepted: 31 December 2018
    DOI: https://doi.org/10.1051/ro/2019003

    Picture fuzzy multi-criteria group decision-making method to hotel building energy efficiency retrofit project selection

    Received: 12 April 2017 / Revised: 03 November 2018 / Accepted: 31 December 2018
    DOI: https://doi.org/10.1051/ro/2019004

    Z-equilibria in Bi-matrix Games with Uncertain payoffs

    Received: 09 October 2015 / Revised: 27 September 2018 / Accepted: 31 December 2018
    DOI: https://doi.org/10.1051/ro/2019007

    An M/G/1 retrial queue with single working vacation under Bernoulli schedule

    Received: 15 February 2016 / Revised: 03 January 2019 / Accepted: 05 January 2019
    DOI: https://doi.org/10.1051/ro/2019008

    The impact of oil price changes on efficiency of banks: An application in the Middle East oil exporting countries using SORM-DEA

    Received: 09 October 2017 / Revised: 08 December 2018 / Accepted: 05 January 2019
    DOI: https://doi.org/10.1051/ro/2019009

    A neoteric approach to geometric shipment policy in an integrated supply chain with setup cost reduction and freight cost using service level constraint

    Received: 22 March 2018 / Revised: 12 November 2018 / Accepted: 11 January 2019
    DOI: https://doi.org/10.1051/ro/2019011

    Making high school students aware of optimization through games and puzzles

    Received: 07 October 2018 / Revised: 19 January 2019 / Accepted: 22 January 2019
    DOI: https://doi.org/10.1051/ro/2019013

    Purchasing strategy and supply chain management, the Airbus productive system case

    Received: 04 February 2018 / Revised: 22 December 2018 / Accepted: 23 January 2019
    DOI: https://doi.org/10.1051/ro/2019014

    Impact of carbon emission on imperfect production inventory system with advance payment base free transportation

    Received: 26 September 2018 / Revised: 07 January 2019 / Accepted: 23 January 2019
    DOI: https://doi.org/10.1051/ro/2019015

    An exact minimax penalty function approach to solve multitime variational problems

    Received: 03 July 2018 / Revised: 24 December 2018 / Accepted: 02 February 2019
    DOI: https://doi.org/10.1051/ro/2019019

    The analysis of a discrete time finite-buffer queue with working vacations under Markovian arrival process and PH-service time

    Received: 16 August 2015 / Revised: 05 February 2019 / Accepted: 05 February 2019
    DOI: https://doi.org/10.1051/ro/2019020

    General lot-sizing and scheduling for perishable food products

    Received: 08 June 2017 / Revised: 31 December 2018 / Accepted: 24 February 2019
    DOI: https://doi.org/10.1051/ro/2019021

    Comparisons of customer behavior in Markovian queues with vacation policies and geometric abandonments

    Received: 11 December 2017 / Revised: 26 January 2019 / Accepted: 24 February 2019
    DOI: https://doi.org/10.1051/ro/2019023

    Joint pricing, services and quality decisions in a dual-channel supply chain

    Received: 13 June 2018 / Revised: 14 January 2019 / Accepted: 24 February 2019
    DOI: https://doi.org/10.1051/ro/2019024

    A Hybrid Fix-and-Optimize Heuristic for Integrated Inventory-Transportation Problem in a Multi-region Multi-facility Supply Chain

    Received: 18 June 2018 / Revised: 08 December 2018 / Accepted: 24 February 2019
    DOI: https://doi.org/10.1051/ro/2019025

    Inventory management strategies for the Calabrian hospitals system

    Received: 29 June 2018 / Revised: 17 January 2019 / Accepted: 24 February 2019
    DOI: https://doi.org/10.1051/ro/2019026

    Supply chain encroachment with quality decision and different power structures

    Received: 22 October 2018 / Revised: 25 January 2019 / Accepted: 21 February 2019
    DOI: https://doi.org/10.1051/ro/2019027

    Variant impatient behavior of a Markovian queue with balking reserved idle time and working vacation

    Received: 11 November 2018 / Revised: 17 February 2019 / Accepted: 25 February 2019
    DOI: https://doi.org/10.1051/ro/2019028

    Integrated vendor-buyer strategies for imperfect production systems with maintenance and warranty policy

    Received: 08 August 2018 / Revised: 15 February 2019 / Accepted: 05 March 2019
    DOI: https://doi.org/10.1051/ro/2019029

    A vendor-buyer inventory model with lot-size and production rate dependent lead time under time value of money

    Received: 12 November 2018 / Revised: 06 March 2019 / Accepted: 06 March 2019
    DOI: https://doi.org/10.1051/ro/2019030

    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

    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

    New second-order radial epiderivatives and applications to optimality conditions

    Received: 23 July 2018 / Revised: 06 March 2019 / Accepted: 14 March 2019
    DOI: https://doi.org/10.1051/ro/2019033

    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

      Store-brand introduction and production arrangement in the presence of multiple retailers

      Received: 28 June 2017 / Revised: 18 February 2019 / Accepted: 14 March 2019
      DOI: https://doi.org/10.1051/ro/2019035

      Decision policies on players’ different risk combination under supplier encroachment

      Received: 18 November 2018 / Revised: 26 March 2019 / Accepted: 27 March 2019
      DOI: https://doi.org/10.1051/ro/2019038

      Retailer's decision selection with dual supply uncertainties under different reliability levels of serving the market

      Received: 10 April 2018 / Revised: 20 March 2019 / Accepted: 29 March 2019
      DOI: https://doi.org/10.1051/ro/2019040

      New proposals for modelling and solving the problem of covering solids using spheres of different radii

      Received: 27 September 2017 / Revised: 01 January 2019 / Accepted: 07 April 2019
      DOI: https://doi.org/10.1051/ro/2019041

      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

      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

      A restart scheme for the Dai-Liao conjugate gradient method by ignoring a direction of maximum magnification by the search direction matrix

      Received: 28 August 2018 / Revised: 05 April 2019 / Accepted: 20 April 2019
      DOI: https://doi.org/10.1051/ro/2019045

      Robust bi-level risk-based optimal scheduling of microgrid operation against uncertainty

      Received: 04 September 2018 / Revised: 26 February 2019 / Accepted: 20 April 2019
      DOI: https://doi.org/10.1051/ro/2019046

      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

      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

      Global defensive k-alliances in directed graphs: combinatorial and computational issues

      Received: 04 October 2018 / Revised: 05 April 2019 / Accepted: 02 May 2019
      DOI: https://doi.org/10.1051/ro/2019049

      Multi-choice and stochastic programming for transportation problem involved in supply of foods and medicines to hospitals with consideration of logistic distribution

      Received: 28 December 2018 / Revised: 02 April 2019 / Accepted: 02 May 2019
      DOI: https://doi.org/10.1051/ro/2019050

      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

      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

      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

      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

      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

      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

      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

      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

      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

      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

      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

      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

      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
      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

      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

      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

      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

      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

      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

      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

      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

      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

      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

      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

      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

      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
      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

      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

        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

          A three-agent scheduling problem for minimizing the flow time on two machines

          Received: 30 December 2018 / Revised: 23 July 2019 / Accepted: 06 September 2019
          DOI: https://doi.org/10.1051/ro/2019088

          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

          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

            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

            The production planning problem of orders in small foundries

            Received: 08 October 2016 / Revised: 11 December 2018 / Accepted: 06 September 2019
            DOI: https://doi.org/10.1051/ro/2019084