沙漠
发表于 2025-3-25 04:15:09
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Obstruction
发表于 2025-3-25 10:40:35
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TERRA
发表于 2025-3-25 14:19:29
Homotopy ColimitsWe start directly by defining the main character of this chapter.
琐事
发表于 2025-3-25 16:44:17
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craving
发表于 2025-3-25 21:27:45
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灌输
发表于 2025-3-26 03:04:31
Principal Γ-Bundles and Stiefel—Whitney Characteristic Classestried to assemble a number of relevant results to entice the reader to consult the standard texts. Most of the given proofs are sketchy, though the proofs of the statements that are needed for later applications are complete.
indubitable
发表于 2025-3-26 08:00:07
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GEON
发表于 2025-3-26 09:26:51
Acyclic Categorieshe more general framework of .. As we shall see in subsequent chapters, no additional difficulties will arise, so there is virtually no penalty to pay for this generality. On the contrary, the situation gets clarified and even simplified in some cases, for example, in dealing with quotients of complexes equipped with group actions in Chapter 14.
Assault
发表于 2025-3-26 13:10:34
Evasiveness and Closure Operators of vertices is a prime power. In this chapter we describe the framework of the problem, sketch the original argument, and prove some important facts about nonevasiveness. One of the important tools is the so-called closure operators, which are also useful in other contexts.
冷峻
发表于 2025-3-26 18:59:18
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