Corberán, Angel; Romero Rozalén, Antonio; Sanchís Llopis, José María(Springer-Verlag, 2003)
[EN] In Arc Routing Problems, ARPs, the aim is to find on a graph a minimum cost traversal satisfying some conditions related to the links of the graph. Due to restrictions to traverse some streets in a specified way, most ...
Corberán, A.; Plana, I.; Sanchís Llopis, José María(Springer-Verlag, 2006-08)
[EN] In this paper we introduce a new class of facet-inducing inequalities for the Windy Rural Postman Problem and the Windy General Routing Problem. These inequalities are called Zigzag inequalities because they cut off ...