By Fred H. Croom

This article is meant as a one semester creation to algebraic topology on the undergraduate and starting graduate degrees. essentially, it covers simplicial homology conception, the elemental workforce, masking areas, the better homotopy teams and introductory singular homology concept. The textual content follows a extensive ancient define and makes use of the proofs of the discoverers of the real theorems whilst this can be in step with the ordinary point of the direction. this technique of presentation is meant to minimize the summary nature of algebraic topology to a degree that's palatable for the start scholar and to supply motivation and unity which are frequently missing in abstact remedies. The textual content emphasizes the geometric method of algebraic topology and makes an attempt to teach the significance of topological techniques by means of using them to difficulties of geometry and research. the must haves for this direction are calculus on the sophomore point, a one semester advent to the idea of teams, a one semester introduc­ tion to point-set topology and a few familiarity with vector areas. Outlines of the prerequisite fabric are available within the appendices on the finish of the textual content. it is recommended that the reader no longer spend time before everything engaged on the appendices, yet relatively that he learn from the start of the textual content, touching on the appendices as his reminiscence wishes clean. The textual content is designed to be used through collage juniors of ordinary intelligence and doesn't require "mathematical adulthood" past the junior point.

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