Abstract. Through a (re)mapping and spatial modeling of city’s past, exploratory web applications can be built to examine urban histories dynamically engage scholars the public. Working on Emory University’s OpenWorld Atlanta project (OWA), researchers used geospatial technologies methods extract data from archives other sources build historical models, geodatabases, geocoders that enabled deve...

One of the most striking feature of the space-economy is that cities form a hierarchical system exhibiting some regularity in terms of their size and the array of goods they supply. In order to show how such a hierarchical system may emerge, we consider a model with monopolistically competitive markets for the industrial sectors. As transport costs steadily decrease from large values, the urban...

A quantitative understanding of cities' demographic dynamics is becoming a potentially useful tool for planning sustainable growth. The concomitant theory should reveal details of the cities' past and also of its interaction with nearby urban conglomerates for providing a reasonably complete picture. Using the exhaustive database of the Census Bureau in a time window of 170 years, we exhibit he...

Delhi is one of the ancient historical and greatest cultural cities of the World. Delhi’s two monuments the Qutb Minar and Humayun’s Tomb have been declared the World Cultural Heritage sites. Delhi was built and rebuilt seven times on different sites through out the history within a triangular area of about 142.20 sq. kms. lying between the last ridge of the Aravalli Range and the River Yamuna....