List questions from homological-algebra

Published on 12 Nov 2016 - 13:30

142

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restricting sheaves in projective space

Published on 25 Mar 2026 - 19:01

180

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Questions on the paper "On the finitistic global dimension conjecture for Artin algebras"

Published on 16 Nov 2016 - 14:47

127

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Proof explanation of a theorem in the paper "On the finitistic global dimension conjecture for Artin algebras"

Published on 17 Nov 2016 - 8:44

88

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Computing $H^2(C_2 \times C_2, \mathbb{F}_2)$ using a presentation of $C_2 \times C_2$

Published on 27 Mar 2026 - 8:16

122

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Two question about Ext functor in mod-A

Published on 23 Nov 2016 - 4:13

709

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Are Injective objects acyclic w.r.t right derived funtors if the category does not admit injective resolutions?

Published on 25 Mar 2026 - 23:39

374

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Map $\langle X, Y\rangle \to \text{Hom}(\pi_n(X), \pi_n(Y))$ bijection?

Published on 23 Nov 2016 - 23:11

339

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Proving a consequence of Snake lemma

Published on 24 Nov 2016 - 15:42

174

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Two basic questions regarding spectral sequences

Published on 25 Mar 2026 - 22:24

499

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Existence of homotopy operator is equivalent to zero homology

Published on 25 Mar 2026 - 6:04

496

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derive TOR long exact sequence without using right exactness of tensor

Published on 25 Nov 2016 - 1:59

183

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The associated ring to a Gorenstein Artinian ring

Published on 26 Mar 2026 - 0:10

794

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Induced action of quotient group on the subgroup cohomology

Published on 27 Mar 2026 - 8:16

262

Views

cellular homology/triangulations of suspensions, mapping cones and cylinders

Published on 01 Apr 2026 - 19:20

List Question

How to define homology functor on chain maps

restricting sheaves in projective space

Questions on the paper "On the finitistic global dimension conjecture for Artin algebras"

Proof explanation of a theorem in the paper "On the finitistic global dimension conjecture for Artin algebras"

Computing $H^2(C_2 \times C_2, \mathbb{F}_2)$ using a presentation of $C_2 \times C_2$

Two question about Ext functor in mod-A

Are Injective objects acyclic w.r.t right derived funtors if the category does not admit injective resolutions?

Map $\langle X, Y\rangle \to \text{Hom}(\pi_n(X), \pi_n(Y))$ bijection?

Proving a consequence of Snake lemma

Two basic questions regarding spectral sequences

Existence of homotopy operator is equivalent to zero homology

derive TOR long exact sequence without using right exactness of tensor

The associated ring to a Gorenstein Artinian ring

Induced action of quotient group on the subgroup cohomology

cellular homology/triangulations of suspensions, mapping cones and cylinders

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