COLON 发表于 2025-3-23 13:01:31

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横条 发表于 2025-3-23 15:02:03

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消瘦 发表于 2025-3-23 18:38:14

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SOW 发表于 2025-3-24 00:03:03

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multiply 发表于 2025-3-24 05:21:31

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异端邪说2 发表于 2025-3-24 06:41:12

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烦躁的女人 发表于 2025-3-24 14:35:40

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antiandrogen 发表于 2025-3-24 16:37:09

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Intersect 发表于 2025-3-24 22:06:03

https://doi.org/10.1057/9780230607187ample, in Chapter 1 we constructed “by hand“ an embedding of any compact manifold M in some ℝ.; in this chapter we shall exploit the topology of a space of maps of M to . to prove that any map . can be approximated by embeddings if dim . < 2 dim ..

不可侵犯 发表于 2025-3-25 00:28:35

https://doi.org/10.1057/9780230607187rtain features of the tangent bundle, thus defining a mixed topological-algebraic object called a vector bundle. Most of the deep invariants of a manifold are intimately linked to the tangent bundle; their development requires a general theory of vector bundles.
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查看完整版本: Titlebook: Differential Topology; Morris W. Hirsch Textbook 1976 Springer Science+Business Media New York 1976 Differentialtopologie.Immersion.diffe