List questions from homological-algebra

Published on 13 Aug 2014 - 16:17

735

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Additive, covariant functor commutes direct limits, then it commutes with direct sums?

Published on 13 Aug 2014 - 22:03

692

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Minimal injective resolution of a module

Published on 26 Mar 2026 - 1:01

136

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Homology and topological propeties

Published on 27 Mar 2026 - 9:31

105

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Basic computation of exact sequence

Published on 17 Aug 2014 - 11:37

849

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On the definition of groups of multiplicative type

Published on 18 Aug 2014 - 20:05

5.7k

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Homology commutes with direct sum and product?

Published on 19 Aug 2014 - 16:43

171

Views

Another description for the map $\text{Ext}^1_\mathbb{Z}(A,G)\to H^2(G,A)$

Published on 25 Mar 2026 - 7:43

454

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Injective dimension and Krull dimension of a module

Published on 20 Aug 2014 - 8:26

1k

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When does homology commutes with arbitrary direct sums

Published on 21 Aug 2014 - 6:58

102

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The injectivity of $f\mapsto f\circ v$ on $\hom(M'',N)$ implies that $v$ is surjective

Published on 21 Aug 2014 - 16:28

69

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A direct limit of pullbacks

Published on 22 Aug 2014 - 13:48

464

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Property of excision of Homology

Published on 22 Aug 2014 - 16:46

59

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finite group homology: $nH_k(G;M)=0$ for $n=|G|$?

Published on 22 Aug 2014 - 20:01

348

Views

Category of Hilbert Spaces

Published on 22 Aug 2014 - 23:28

List Question

Clarification of a theorem from Chang's Methods in Nonlinear Analysis

Additive, covariant functor commutes direct limits, then it commutes with direct sums?

Minimal injective resolution of a module

Homology and topological propeties

Basic computation of exact sequence

On the definition of groups of multiplicative type

Homology commutes with direct sum and product?

Another description for the map $\text{Ext}^1_\mathbb{Z}(A,G)\to H^2(G,A)$

Injective dimension and Krull dimension of a module

When does homology commutes with arbitrary direct sums

The injectivity of $f\mapsto f\circ v$ on $\hom(M'',N)$ implies that $v$ is surjective

A direct limit of pullbacks

Property of excision of Homology

finite group homology: $nH_k(G;M)=0$ for $n=|G|$?

Category of Hilbert Spaces

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