Sommaire du Fascicule no. 1

Two phases inventory model with variable cycle length under discount policy
A hybrid algorithm Tabu Search – GRASP for wounded evacuation in disaster response
A three-echelon supply chain model with price and two-level quality dependent demand
Closed form of the response function in FDH technologies: Theory, computation and application
On an optimal replenishment policy for inventory models for non-instantaneous deteriorating items with stock dependent demand and partial backlogging
Stochastic decomposition in retrial queueing-inventory system
A rule-based heuristic algorithm for on-line order batching and scheduling in an order picking warehouse with multiple pickers
Socially responsible supply chains with cost learning effects
Complexity of inheritance of ℱ-convexity for restricted games induced by minimum partitions
An inertial modified algorithm for solving variational inequalities
Optimizing vendor-managed inventory systems with limited storage capacity and partial backordering under stochastic demand
Picture fuzzy multi-criteria group decision-making method to hotel building energy efficiency retrofit project selection
Stochastic analysis of a preemptive retrial queue with orbital search and multiple vacations
Investment for process quality improvement and setup cost reduction in an imperfect production process with warranty policy and shortages
A comprehensive study of a backlogging EOQ model with nonlinear heptagonal dense fuzzy environment
Inventory and pricing decisions for imperfect quality items with inspection errors, sales returns, and partial backorders under inflation

Sommaire du Fascicule no. 2

A three-agent scheduling problem for minimizing the flow time on two machines
DEA based production planning considering technology heterogeneity with undesirable outputs
On the preconditioned projective iterative methods for the linear complementarity problems
Randomized control of arrivals in a finite-buffer G I / M / 1 system with starting failures
Customer relationship management and new product development in designing a robust supply chain
Z -equilibria in Bi-matrix games with uncertain payoffs
Replenishment of imperfect items in an EOQ inventory model with partial backordering
Integrated vendor–buyer strategies for imperfect production systems with maintenance and warranty policy
A metaheuristic penalty approach for the starting point in nonlinear programming
An M/G/1 retrial queue with single working vacation under Bernoulli schedule
A descent derivative-free algorithm for nonlinear monotone equations with convex constraints
Near-optimal solutions and tight lower bounds for the parallel machines scheduling problem with learning effect
Algorithms for four-machine flowshop scheduling problem with uncertain processing times to minimize makespan
Scheduling job shop problems with operators with respect to the maximum lateness
Strategic behavior in the constant retrial queue with a single vacation
Making high school students aware of optimization through games and puzzles
Forecasting stock market price by using fuzzified Choquet integral based fuzzy measures with genetic algorithm for parameter optimization

Sommaire du Fascicule no. 3

Comparisons of customer behavior in Markovian queues with vacation policies and geometric abandonments
An exact minimax penalty function approach to solve multitime variational problems
A neoteric approach to geometric shipment policy in an integrated supply chain with setup cost reduction and freight cost using service level constraint
The analysis of a discrete time finite-buffer queue with working vacations under Markovian arrival process and PH-service time
Supply chain encroachment with quality decision and different power structures
The impact of oil price changes on efficiency of banks: An application in the Middle East oil exporting countries using SORM-DEA
A hybrid fix-and-optimize heuristic for integrated inventory-transportation problem in a multi-region multi-facility supply chain
Variant impatient behavior of a Markovian queue with balking reserved idle time and working vacation
Inventory management strategies for the Calabrian hospitals system
The disasters queue with working breakdowns and impatient customers
Store-brand introduction and production arrangement in the presence of multiple retailers
A heuristic for the minimum cost chromatic partition problem
New proposals for modelling and solving the problem of covering solids using spheres of different radii
Research Article
Retailer’s decision selection with dual supply uncertainties under different reliability levels of serving the market
General lot-sizing and scheduling for perishable food products

Sommaire du Fascicule no. 4

Purchasing strategy and supply chain management, the Airbus productive system case
New second-order radial epiderivatives and applications to optimality conditions
A vendor–buyer inventory model with lot-size and production rate dependent lead time under time value of money
A restart scheme for the Dai–Liao conjugate gradient method by ignoring a direction of maximum magnification by the search direction matrix
Robust bi-level risk-based optimal scheduling of microgrid operation against uncertainty
A new model and a Monte Carlo based Particle Swarm Optimization algorithm for the stochastic blood assignment problem
Global defensive k -alliances in directed graphs: combinatorial and computational issues
Joint pricing, services and quality decisions in a dual-channel supply chain
Decision policies on players’ different risk combination under supplier encroachment
Signed domination and Mycielski’s structure in graphs
A transshipment model for logistics management at Indian Oil Corporation
Impact of carbon emission on imperfect production inventory system with advance payment base free transportation
Multi-choice and stochastic programming for transportation problem involved in supply of foods and medicines to hospitals with consideration of logistic distribution
Strategic sourcing under recall loss sharing and product quality investment
The Karush–Kuhn–Tucker conditions for multiple objective fractional interval valued optimization problems
Effect of inspection errors on imperfect production inventory model with warranty and price discount dependent demand rate
An optimistic-pessimistic DEA model based on game cross efficiency approach
Decision making and coordination of fresh agriculture product supply chain considering fairness concerns

Sommaire du Fascicule no. 5

Analysis of a geometric catastrophe model with discrete-time batch renewal arrival process
A Non-Linear-Threshold-Accepting Function Based Algorithm for the Solution of Economic Dispatch Problem
Coordination of elderly healthcare service supply chain with information asymmetry: Designs of option contracts under different demand distribution statuses
Optimal production lot size under backup agreement allowing substitute products
A novel approach to safety stock management in an integrated supply chain with controllable lead time and ordering cost reduction using present value
Price strategies and salesforce compensation design with overconfident sales agent
Regularity conditions and Farkas-type results for systems with fractional functions
Efficiency and super-efficiency under inter-temporal dependence
A geometric programming approach for a vendor managed inventory of a multiretailer multi-item EPQ model
Solving optimal control problems using the Picard’s iteration method
A possibilistic optimization over an integer efficient set within a fuzzy environment
Optimal ordering and disposal decisions for products with a fixed shelf life
A variable neighborhood search algorithm with reinforcement learning for a real-life periodic vehicle routing problem with time windows and open routes
Economic lot-size problem for a cleaner manufacturing system with warm-up period
Coordination contract for a competitive pharmaceutical supply chain considering corporate social responsibility and pricing decisions
Dynamic cooperative advertising strategy in OAO supply chain with customer return

Sommaire du Fascicule no. 6

Multiple objective optimization Applied to Speech enhancement problem
Optimal decisions on fencing, pricing, and selection of process mean in imperfectly segmented markets
Optimal strategies and pricing analysis in M / M / 1 queues with a single working vacation and multiple vacations
Impact of pricing structure on supply chain coordination with cooperative advertising
Cross-brand and cross-channel advertising strategies in a dual-channel supply chain
A slacks-based measure approach for efficiency decomposition in multi-period two-stage systems
Characterization of Electre I choice procedures
Optimal replenishment decision for retailers with variable demand for deteriorating products under a trade-credit policy
Interactive multiobjective DEA target setting using lexicographic DDF
Integrated production inventory model with variable production rate on quality of products involving probabilistic defective under variable setup cost
Robust capacity planning for accident and emergency services
A generalized fuzzy cost efficiency model
Optimal trade credit and replenishment policies for non-instantaneous deteriorating items
Remarks on path factors in graphs
Decentralized decomposition algorithms for peer-to-peer linear optimization
Facets based on cycles and cliques for the acyclic coloring polytope
A model for pandemic control through isolation policy