List questions from sheaf-theory

Published on 29 Jun 2021 - 10:04

106

Views

Global Spec functor and base change

Published on 08 Apr 2026 - 1:04

229

Views

Why is a morphism $\nabla:\Theta_X\to \underline{End}(M)$ a connection (in D-modules)?

Published on 25 Mar 2026 - 12:53

34

Views

Why do we have $\operatorname{Supp}(\mathcal{O}_Y/\mathscr{K}_f)=\overline{f(X)}$?

Published on 05 Jul 2021 - 13:17

500

Views

Is it true that $M\boxtimes N = p_1^* M\otimes_{\mathcal{O}_{X\times X}}p_2^* N$ for D-modules?

Published on 25 Mar 2026 - 11:16

170

Views

Derived Tensor Product of Bimodules

Published on 27 Mar 2026 - 10:15

245

Views

Hartshorne Proposition II.7.13a

Published on 26 Mar 2026 - 14:20

528

Views

Flow of a Vector Field Using Sheaves

Published on 12 Jul 2021 - 17:36

387

Views

Sheafification is left adjoint to forgetful functor

Published on 13 Jul 2021 - 19:02

227

Views

Why is the ambiguity of the target category when first defining sheaves not a serious issue?

Published on 14 Jul 2021 - 16:54

358

Views

Recovering a sheaf from base of topology

Published on 14 Jul 2021 - 21:03

36

Views

Isomorphism of curves induces isomorphism of moduli spaces of vector bundles on the curves?

Published on 26 Mar 2026 - 11:01

54

Views

How should I think of the nearby cycle $\mathrm R\Psi\overline{\mathbb Q_{\ell}}$ with its Galois action on a smooth projective scheme?

Published on 27 Mar 2026 - 9:48

457

Views

Inverse image and pushforward are adjoint

Published on 16 Jul 2021 - 21:35

215

Views

Natural transformation between sheaves in homotopy theory

Published on 08 Apr 2026 - 9:14

List Question

Sheaf with support in closed subscheme

Global Spec functor and base change

Why is a morphism $\nabla:\Theta_X\to \underline{End}(M)$ a connection (in D-modules)?

Why do we have $\operatorname{Supp}(\mathcal{O}_Y/\mathscr{K}_f)=\overline{f(X)}$?

Is it true that $M\boxtimes N = p_1^* M\otimes_{\mathcal{O}_{X\times X}}p_2^* N$ for D-modules?

Derived Tensor Product of Bimodules

Hartshorne Proposition II.7.13a

Flow of a Vector Field Using Sheaves

Sheafification is left adjoint to forgetful functor

Why is the ambiguity of the target category when first defining sheaves not a serious issue?

Recovering a sheaf from base of topology

Isomorphism of curves induces isomorphism of moduli spaces of vector bundles on the curves?

How should I think of the nearby cycle $\mathrm R\Psi\overline{\mathbb Q_{\ell}}$ with its Galois action on a smooth projective scheme?

Inverse image and pushforward are adjoint

Natural transformation between sheaves in homotopy theory

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