In today's world, the process of globalization and communication and information innovations has brought the "cities" into an actor of national and global competition. No urban point in the world can rely on maintaining its traditional role in the urban hierarchy, as other urban areas compete in a network structure with other cities in order to enhance their position on the network and overcom...

Introduction Changes in spatial patterns and its structural and functional dynamics which is apparently obvious within physical links and relationships of cities and rural and urban network is fundamentally one of the outcomes of forces that contribute to the controlling process of actual mechanism of capital absorption, its flow, work forces, and population. Such forces play a significant r...

Background: Social network in older adults refers to the interpersonal relationships and the perception of these relationships. Given the importance of the social network, the current study was conducted to answer three pivotal questions. First, do personal and district factors affect the social network of the elderly? Second, how much share do the personal and district factors have in the soci...

Because of urban rapid growth of Iran, some problems such as propagation of environmental pollutions, urban inundation and flood hazards due to lack of appropriate drainage systems and irregularity of conduits & streams are the major difficulties in urban watersheds. Because of hydrological & hydraulic processes complexities in urban area, using of computer models would be effective. In this st...

During last three decades, because of rapid influx of population into the cities, many problems have been emerged for cities. Thus, it is necessary to plan and present models in order to regulate urban network to reduce and organize emerging problems. Finding factors resulting from these events, presenting solution in order to reduce unfavorably existing situation, and move toward balance in po...