analysis and classification of cities
Attempt in this direction is described by the French experts the concept of "urban core". Its most important component - the service function of the population, forming the structure of the community centers at various levels. Important place in the concept of play as the administrative and managerial functions, hierarchies of cities on the degree of industrial development, "attracting" the role of cities, forming different intensity of migration flows. When forming the "urban core" across the country, its territory as it is divided into zones of influence generated by large centers. To strengthen the urban core of France, characterized by excessive concentration of population, industry and services in Paris and the Paris region, and to balance the national settlement system as a whole, it was decided to establish a peripheral areas of the country a number of powerful magic tricks attraction - "metropolitan equilibrium".
In order to operate national instruments of urban management in France attempted analysis and classification of cities
for their economic and production specifics, the service level of the population, the size of the zones of influence, functional relationships. On this basis, involves identifying and developing cities, taking into account the role of each in such systems. Main role to play "a pole of attraction" (following the "metropolitan equilibrium" tsentroformiruyuschy level) - cities that are service centers for localities zones of their influence in a wide range of functions.
most developed area of вЂ‹вЂ‹"urban polarization" is being formed around Paris, which are under the influence and "the metropolis of balance, and regional centers. Other urban systems of regional importance are characterized by more complex structures and the center of the region because they do not necessarily center of a unified system of cities. More powerful attractive potential with a more extensive zones of influence may have other large or even medium-sized city system.