In the 1-M-1 SVPDP, the expression “one-to-many-to-one” means that all delivery demands are initially located at the depot, and all pickup demands are destined to the depot.
In the 1-M-1 SVPDP, the expression “one-to-many-to-one” means that alldelivery demands are initially located at the depot, and all pickup demandsare destined to the depot.