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Titlebook: Calculus of Fractions and Homotopy Theory; Peter Gabriel,Michel Zisman Book 1967 Springer-Verlag Berlin · Heidelberg 1967 Calculus.Homotop

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书目名称Calculus of Fractions and Homotopy Theory
编辑Peter Gabriel,Michel Zisman
视频video
丛书名称Ergebnisse der Mathematik und ihrer Grenzgebiete. 2. Folge
图书封面Titlebook: Calculus of Fractions and Homotopy Theory;  Peter Gabriel,Michel Zisman Book 1967 Springer-Verlag Berlin · Heidelberg 1967 Calculus.Homotop
描述The main purpose of the present work is to present to the reader a particularly nice category for the study of homotopy, namely the homo­ topic category (IV). This category is, in fact, - according to Chapter VII and a well-known theorem of J. H. C. WHITEHEAD - equivalent to the category of CW-complexes modulo homotopy, i.e. the category whose objects are spaces of the homotopy type of a CW-complex and whose morphisms are homotopy classes of continuous mappings between such spaces. It is also equivalent (I, 1.3) to a category of fractions of the category of topological spaces modulo homotopy, and to the category of Kan complexes modulo homotopy (IV). In order to define our homotopic category, it appears useful to follow as closely as possible methods which have proved efficacious in homo­ logical algebra. Our category is thus the" topological" analogue of the derived category of an abelian category (VERDIER). The algebraic machinery upon which this work is essentially based includes the usual grounding in category theory - summarized in the Dictionary - and the theory of categories of fractions which forms the subject of the first chapter of the book. The merely topological machine
出版日期Book 1967
关键词Calculus; Homotopie; Homotopy; Morphism; algebra; category theory; theorem
版次1
doihttps://doi.org/10.1007/978-3-642-85844-4
isbn_softcover978-3-642-85846-8
isbn_ebook978-3-642-85844-4
copyrightSpringer-Verlag Berlin · Heidelberg 1967
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发表于 2025-3-21 23:02:57 | 显示全部楼层
f an abelian category (VERDIER). The algebraic machinery upon which this work is essentially based includes the usual grounding in category theory - summarized in the Dictionary - and the theory of categories of fractions which forms the subject of the first chapter of the book. The merely topological machine978-3-642-85846-8978-3-642-85844-4
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Dictionary,ollowing works:., P.: Catégories abéliennes. Bull. Soc. Math. France . (1962). ., A.: Sur quelques points d’algébre homologique. Tohoku math. J. serie 2. . (1957). ., S.: Homology. Berlin-Heidelberg-New York; Springer. ., B.: Theory of Categories. New York: Academic Press.
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Geometric Realization of Simplicial Sets,ing that .≧. if and only if . (.)≦.(.) for each .∈[.]; moreover, we can identify the ordered set . ([.], [1]) with [.+1] under the map . → card .(0). We define thus a functor [.] → . ([.], [1]) from Δ to .°, which will be noted II, and which can be described as follows:
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Multilayer Perceptron (MLP) Neural Networks,ing that .≧. if and only if . (.)≦.(.) for each .∈[.]; moreover, we can identify the ordered set . ([.], [1]) with [.+1] under the map . → card .(0). We define thus a functor [.] → . ([.], [1]) from Δ to .°, which will be noted II, and which can be described as follows:
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Basic Notions on Waves and Tides,onent .(Δ. × ., .), and Π . (., .) will be the set of connected components of . (., .). The morphisms of complexes.,.which are defined “as in V, 7.1”, induce then, by passing to connected components, maps ..
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