New valid inequalities for the symmetric vehicle routing problem with simultaneous pickup and deliveries

A new model for the asymmetric vehicle routing problem with simultaneous pickup and deliveries

(2019) Yogesh Kumar Agarwal et al.   OPERATIONS RESEARCH LETTERS

A hybrid metaheuristic algorithm for heterogeneous vehicle routing problem with simultaneous pickup and delivery

(2016) Mustafa Avci et al.   EXPERT SYSTEMS WITH APPLICATIONS

A parallel simulated annealing method for the vehicle routing problem with simultaneous pickup–delivery and time windows

(2015) Chao Wang et al.   COMPUTERS & INDUSTRIAL ENGINEERING

Branch-cut-and-price for the vehicle routing problem with simultaneous pickup and delivery

(2012) Anand Subramanian et al.   Optimization Letters

An efficient column-generation-based algorithm for solving a pickup-and-delivery problem

(2011) Prahalad Venkateshan et al.   COMPUTERS & OPERATIONS RESEARCH

Branch-and-cut with lazy separation for the vehicle routing problem with simultaneous pickup and delivery

(2011) Anand Subramanian et al.   OPERATIONS RESEARCH LETTERS