Math targets cities' essence | Science News

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Math targets cities' essence

New formula relates city size to infrastructure, productivity

By
9:33am, June 28, 2013

The notion that cities are all alike borders on blasphemy. Residents of the world’s great metropolises, from New York to London to Tokyo, speak of their homes as of a first love or old friend. But decades of analyses hint that cities, mathematically speaking, might actually all be the same. Now for the first time, those observations have been tidily and elegantly drawn together into a formula that describes what a city is.

That new work is part of a growing field dedicated to the science of cities. The effort is a timely one: Roughly 75 percent of people in the developed world now live in urban

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