List questions from derived-functors

Published on 14 Apr 2026 - 3:31

195

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$G$-modules, Group invariants and Tor functor

Published on 17 Apr 2026 - 8:20

177

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Vanishing of Ext and Tor from Isomorphism of derived Hom with derived tensor product

Published on 14 Apr 2026 - 19:55

351

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Stalks of Higher direct images of structure sheaf at smooth points

Published on 25 Mar 2026 - 17:20

101

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Rational singularity of Spec, Proj and Spec of localization of a standard graded $2$-dimensional ring

Published on 25 Mar 2026 - 15:42

200

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When does the Grothendieck spectral sequence converge?

Published on 17 Apr 2026 - 4:57

363

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What does "is natural in $A$" mean in this context?

Published on 10 Apr 2026 - 22:29

892

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Why do we impose conditions on the modules in resolutions?

Published on 09 Apr 2026 - 0:42

132

Views

A functor which takes quasi-isomorphisms to isomorphisms factors through a triangulated functor?

Published on 11 Apr 2026 - 15:25

199

Views

Derived Yoneda lemma and its applications

Published on 09 Apr 2026 - 11:14

181

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Explicit construction of first derived functors.

Published on 11 Apr 2026 - 15:31

76

Views

Topological information about a variety computable from a projective resolution of the coordinate ring

Published on 11 Apr 2026 - 5:44

55

Views

False proof that $\chi(A\times B)=\chi(A)+\chi(B)$

Published on 12 Apr 2026 - 6:57

815

Views

Constructing a chain homotopy for quasi-isomorphisms of injectives

Published on 11 Apr 2026 - 7:54

605

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Vanishing terms in Leray spectral sequence

Published on 11 Apr 2026 - 9:59

List Question

On Auslander transpose and stable Hom module

$G$-modules, Group invariants and Tor functor

Vanishing of Ext and Tor from Isomorphism of derived Hom with derived tensor product

Stalks of Higher direct images of structure sheaf at smooth points

Rational singularity of Spec, Proj and Spec of localization of a standard graded $2$-dimensional ring

When does the Grothendieck spectral sequence converge?

What does "is natural in $A$" mean in this context?

Why do we impose conditions on the modules in resolutions?

A functor which takes quasi-isomorphisms to isomorphisms factors through a triangulated functor?

Derived Yoneda lemma and its applications

Explicit construction of first derived functors.

Topological information about a variety computable from a projective resolution of the coordinate ring

False proof that $\chi(A\times B)=\chi(A)+\chi(B)$

Constructing a chain homotopy for quasi-isomorphisms of injectives

Vanishing terms in Leray spectral sequence

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