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Visualizing Complexity : A Spatial Analysis Of Decorative Geometric Pattern In The Islamic World, 900-1400 Ad, Tracy Elizabeth Harrison Jun 2005

Visualizing Complexity : A Spatial Analysis Of Decorative Geometric Pattern In The Islamic World, 900-1400 Ad, Tracy Elizabeth Harrison

Dissertations and Theses

This study explores how the use of complex decorative geometric patterns in Islamic architecture spatially relates to advances in the fields of science and philosophy in the Islamic world between the ninth and fourteenth centuries. This project examines hypotheses developed by vario~s scholars on the forces that shaped the use of these patterns (known as the geometric mode) in Islamic architecture. The prevailing assumption that advances in mathematics contributed to the use of the geometric mode is used as a starting point for subsequent analysis.

For this study, two spatial databases were created. One contains over two hundred and twenty …


Asiatic Cholera And Dysentery On The Oregon Trail: A Historical Medical Geography Study, Brian Lee Altonen May 2000

Asiatic Cholera And Dysentery On The Oregon Trail: A Historical Medical Geography Study, Brian Lee Altonen

Dissertations and Theses

Two disease regions existed on the Oregon Trail. Asiatic cholera impacted the Platte River flood plain from 1849 to 1852. Dysentery developed two endemic foci due to the decay of buffalo carcasses in eastern and middle Nebraska between 1844 and 1848, but later developed a much larger endemic region west of this Great Plains due to the infection of livestock carcasses by opportunistic bacteria.

This study demonstrates that whereas Asiatic cholera diffusion along the Trail was defined primarily by human population features, topography, and regional climate along the Platte River flood plain, the distribution of opportunistic dysentery along the Trail …


El Sindicato De Las Costureras 19 De Septiembre: The Impact Of The 1985 Mexico City Earthquake On Social Process, Margaret Mccrea Jul 1987

El Sindicato De Las Costureras 19 De Septiembre: The Impact Of The 1985 Mexico City Earthquake On Social Process, Margaret Mccrea

Dissertations and Theses

The paper traces out the relationships between three sets of actors--workers, factory owners, and government--before, during and after the 1985 Mexico City earthquake, and places those relationships in the broader context of Mexico's political and economic development, as well as the spatial structure of Mexico City and the garment district. The paper concludes that although victims respond to the crisis by attempting to restore and repair previous social and physical conditions, as social theory predicts, disasters have different effects on different classes of people, who respond according to their needs, vulnerabilities, perceptions, values, and their socially prescribed powers. Where there …