Volume 54 (2020) no. 4

Table of contents

Purchasing strategy and supply chain management, the Airbus productive system case
p. 933-948
New second-order radial epiderivatives and applications to optimality conditions
p. 949-959
A vendor–buyer inventory model with lot-size and production rate dependent lead time under time value of money
p. 961-979
A restart scheme for the Dai–Liao conjugate gradient method by ignoring a direction of maximum magnification by the search direction matrix
p. 981-991
Robust bi-level risk-based optimal scheduling of microgrid operation against uncertainty
p. 993-1012
A new model and a Monte Carlo based Particle Swarm Optimization algorithm for the stochastic blood assignment problem
p. 1013-1025
Global defensive k -alliances in directed graphs: combinatorial and computational issues
p. 1027-1040
Joint pricing, services and quality decisions in a dual-channel supply chain
p. 1041-1056
Decision policies on players’ different risk combination under supplier encroachment
p. 1057-1075
Signed domination and Mycielski’s structure in graphs
p. 1077-1086
A transshipment model for logistics management at Indian Oil Corporation
p. 1087-1102
Impact of carbon emission on imperfect production inventory system with advance payment base free transportation
p. 1103-1117
Multi-choice and stochastic programming for transportation problem involved in supply of foods and medicines to hospitals with consideration of logistic distribution
p. 1119-1132
Strategic sourcing under recall loss sharing and product quality investment
p. 1133-1160
The Karush–Kuhn–Tucker conditions for multiple objective fractional interval valued optimization problems
p. 1161-1188
Effect of inspection errors on imperfect production inventory model with warranty and price discount dependent demand rate
p. 1189-1213
An optimistic-pessimistic DEA model based on game cross efficiency approach
p. 1215-1230
Decision making and coordination of fresh agriculture product supply chain considering fairness concerns
p. 1231-1248