悄悄移动 发表于 2025-3-25 03:26:09

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Lacerate 发表于 2025-3-25 08:09:31

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Directed 发表于 2025-3-25 12:48:05

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脱离 发表于 2025-3-25 19:36:23

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Osteoporosis 发表于 2025-3-25 23:34:48

Functors of Complexes,ants. We study this question (§§ 2–7), at least if . is the (dimension-wise) prolongation of an additive functor .. We find that for every abelian group . there is, essentially, one covariant and one contravariant . such that .. The resulting groups . are the .. The functors . are also useful in stu

消散 发表于 2025-3-26 02:57:36

Products, (i) Relations between ® and Hom which are familiar from (multi-)linear algebra; (ii) the mappings α: . and α: . Hom(. Hom(. of VI, 9.11, 10.8; (III) the Eilenberg Zilber mappings VI, 12.1—plus, of course, the standard functorial properties of (co-)homology. The significance of products lies in the

核心 发表于 2025-3-26 07:11:32

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的阐明 发表于 2025-3-26 11:08:17

Grundlehren der mathematischen Wissenschaftenhttp://image.papertrans.cn/l/image/583473.jpg

constitute 发表于 2025-3-26 14:39:22

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让步 发表于 2025-3-26 19:45:49

Singular Homology,The . consists of all points x∈IRq+1 such that. where IR. denotes euclidean space and {xi} are the coordinates of . ∈ IR.. Clearly . is closed and bounded, hence .. Because of (b) we can replace (a) by ..
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查看完整版本: Titlebook: Lectures on Algebraic Topology; Albrecht Dold Book 19721st edition Springer-Verlag Berlin Heidelberg 1972 Algebraic.Algebraic topology.Hom