Category Archives: Complexity

The 22nd Century City

We will all be living in cities by the end of this century (see EPA, 2011) and for the most part, cities will constitute a complex web of local-global relationships that defies our present understanding. On this way to the … Continue reading

Posted in city size, Complexity, Connectivity, Flows | Leave a comment

Spatial Networks

Marc Barthelemy from the Institute for Theoretical Physics (IPhT) of the CEA-Saclay (France) presented a very interesting talk on the evolution of spatial networks in cities at CASA last night (November 29). Arguing that spatial networks are often richer and … Continue reading

Posted in Complexity, Flows, Hierarchy, Networks, Scaling, Uncategorized | Leave a comment

From Neighborhoods to Nations

Spatial interaction lies at the basis of much of our science but it has been hard, if not impossible to develop an equivalent theory of social interactions. Social interactions are hard to pin down, hard to observe and explain but … Continue reading

Posted in city size, Complexity, Economies of scale, Interactions | Leave a comment