Keeping mathematical prerequisites to a minimum, this undergraduate-level text stimulates students' intuitive understanding of topology while avoiding the more difficult subtleties and technicalities. Its focus is the method of spherical modifications and the study of critical points of functions on manifolds. 1968 edition.
This self-contained treatment assumes only some knowledge of real numbers and real analysis. The first three chapters focus on the basics of point-set topology, after which the text proceeds to homology groups and continuous mapping, barycentric subdivision, and simplicial complexes. Exercises form an integral part of the text. 1961 edition.
In "The Limits of Community", Plessner presents the appeal and the dangers of rejecting modern society for the sake of the ideal of community. The appeal, he suggests, is to escape the anonymity of mass society; the danger is the eventual loss of human dignity and the rise of an authoritarian politics based on violence and fanaticism. Social ...
As Capt. Lorenzo Sitgreaves set out in 1851 to explore the southern portion of the Four Corners region (won in the recent war with Mexico), his party included Dr. Samuel Woodhouse, a thirty-year-old physician and naturalist who kept a journal of their travels from New York to California. Woodhouse recorded three weeks in San Antonio, made daily ...
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