flex336 发表于 2025-3-25 07:10:58

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synchronous 发表于 2025-3-25 11:19:59

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Ancestor 发表于 2025-3-25 14:53:12

S. Muralidharan,G. Ma,H. FreiserRecall that the tensor product . ⊗. . is defined whenever . is a right .-module and . is a left .-module. It is the quotient of . ⊗. . (which we denote . ⊗ .) obtained by introducing the relations . ⊗ . = . ⊗ . (. ∈ ., . ∈ ., . ∈ .).

施加 发表于 2025-3-25 18:20:57

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Aqueous-Humor 发表于 2025-3-25 21:06:19

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弄污 发表于 2025-3-26 02:42:46

Introduction, work of Hurewicz on “aspherical spaces.” About a year earlier, Hurewicz had introduced the higher homotopy groups . of a space . 2). He now singled out for study those path-connected spaces . whose higher homotopy groups are all trivial, but whose fundamental group . = . need not be trivial. Such spaces are called

Inscrutable 发表于 2025-3-26 05:27:57

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极大的痛苦 发表于 2025-3-26 11:52:34

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JIBE 发表于 2025-3-26 15:28:02

Equivariant Homology and Spectral Sequences,his equivariant theory provides a powerful tool for extracting homological information about . from the action of G on . It is in this way, for example, that Quillen proved his theorem about the Krull dimension of .*(G, ℤ.) for . finite (VI.9.8).

确保 发表于 2025-3-26 16:49:56

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查看完整版本: Titlebook: Cohomology of Groups; Kenneth S. Brown Textbook 1982 Springer-Verlag New York Inc. 1982 Abelian group.Cohomology.Groups.Gruppe (Math.).Koh