Butsch, Alex; Jörnsten, Kurt; Kalcsics, Jörg - Institutt for foretaksøkonomi, Norges Handelshøyskole … - 2015
Recently Beltran-Royo et.al presented a Semi-Lagrangean relaxation for the classical p-median location problem. The results obtained using the Semi-Lagrangean relaxation approach were quite impressive. In this paper we use a reformulation of the p-median problem in order to start from a...