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Titlebook: Basic Concepts of Algebraic Topology; Fred H. Croom Textbook 1978 Springer-Verlag New York 1978 Algebra.Basic.Derivation.Manifold.Morphism

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期刊全稱Basic Concepts of Algebraic Topology
影響因子2023Fred H. Croom
視頻videohttp://file.papertrans.cn/181/180986/180986.mp4
學(xué)科分類Undergraduate Texts in Mathematics
圖書封面Titlebook: Basic Concepts of Algebraic Topology;  Fred H. Croom Textbook 1978 Springer-Verlag New York 1978 Algebra.Basic.Derivation.Manifold.Morphism
影響因子This text is intended as a one semester introduction to algebraic topology at the undergraduate and beginning graduate levels. Basically, it covers simplicial homology theory, the fundamental group, covering spaces, the higher homotopy groups and introductory singular homology theory. The text follows a broad historical outline and uses the proofs of the discoverers of the important theorems when this is consistent with the elementary level of the course. This method of presentation is intended to reduce the abstract nature of algebraic topology to a level that is palatable for the beginning student and to provide motivation and cohesion that are often lacking in abstact treatments. The text emphasizes the geometric approach to algebraic topology and attempts to show the importance of topological concepts by applying them to problems of geometry and analysis. The prerequisites for this course are calculus at the sophomore level, a one semester introduction to the theory of groups, a one semester introduc- tion to point-set topology and some familiarity with vector spaces. Outlines of the prerequisite material can be found in the appendices at the end of the text. It is suggested th
Pindex Textbook 1978
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The Higher Homotopy Groups,tal group was recognized early in the development of algebraic topology. Definitions of these “higher homotopy groups” were given in the years 1932–1935 by Eduard Cech (1893–1960) and Witold Hurewicz (1904–1956). It was Hurewicz who gave the most satisfactory definition and proved the fundamental properties.
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The Fundamental Group, that two closed paths in a space are homotopic provided that each of them can be “continuously deformed into the other.” In Figure 4.1, for example, paths . and . are homotopic to each other and . is homotopic to a constant path. Path . is not homotopic to either . or . since neither . nor . can be pulled across the hole that they enclose.
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