The urban development of the twentieth century can be characterized by rise of the metropolitanization process. However, especially since 1950, it has been producing a real change of scale in this growth: the infinite growth of metropolitan peripheries, encouraged by the process of urban sprawl,...

The changes on metropolitan areas characterized by the dispersion and concentrated decentralization of both employment and population has lead to a specialized research line addressed to analyze polycentrism. In this line there are two families of subcentre identification: the first based on the...