易于交谈 发表于 2025-3-23 12:14:17

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Assignment 发表于 2025-3-23 14:00:16

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Encumber 发表于 2025-3-23 20:36:36

Textbook 2001 course in algebraic topology but also for advanced undergraduates or beginning graduates interested in finding out what topology is all about. The book has more than 200 problems, many examples, and over 200 illustrations.

hegemony 发表于 2025-3-24 01:03:48

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慷慨援助 发表于 2025-3-24 03:24:15

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SPALL 发表于 2025-3-24 06:43:47

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Musket 发表于 2025-3-24 14:07:42

978-1-4419-2882-5Springer Science+Business Media New York 2001

助记 发表于 2025-3-24 15:32:25

Intuitive Combinatorial Topology978-1-4757-5604-3Series ISSN 0172-5939 Series E-ISSN 2191-6675

严重伤害 发表于 2025-3-24 22:00:54

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2否定 发表于 2025-3-24 23:54:23

Homotopy and Homology,Let . be a path in a figure . leading from an initial point .. to an endpoint ... In other words, let .: → . be a continuous mapping satisfying the conditions .(0) = .. and .(1) = ... We will deform this path within the figure . but keep .. and .. fixed.
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查看完整版本: Titlebook: Intuitive Combinatorial Topology; V. G. Boltyanskiĭ,V. A. Efremovich Textbook 2001 Springer Science+Business Media New York 2001 Algebraic