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15
Math.TechQA.Club
2026-03-29 15:16:38
177
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Chern character of $\mathrm{ch}(i_* \mathcal{O}_L)$ for $i: L \hookrightarrow X$ a line
Published on
29 Mar 2026 - 15:16
#algebraic-geometry
#complex-geometry
#sheaf-theory
#vector-bundles
#schemes
147
Views
Sheaves of sheaves
Published on
13 Apr 2020 - 15:23
#algebraic-geometry
#sheaf-theory
825
Views
Invertible sheaf associated to a Cartier divisor
Published on
25 Mar 2026 - 14:38
#algebraic-geometry
#sheaf-theory
#divisors-algebraic-geometry
268
Views
Glueing Sheaves.
Published on
15 Apr 2020 - 4:46
#sheaf-theory
164
Views
Splitting of short exact sequence of sheaves of vector spaces
Published on
27 Mar 2026 - 7:18
#vector-spaces
#homological-algebra
#sheaf-theory
#exact-sequence
95
Views
Distinct topologies making a map a local homeomorphism
Published on
16 Apr 2020 - 1:29
#general-topology
#sheaf-theory
154
Views
Examples for failure of cohomology presheaf to be a sheaf
Published on
26 Mar 2026 - 4:53
#homology-cohomology
#sheaf-theory
#sheaf-cohomology
123
Views
Confusion about proving that closed subprevarieties are actually prevarieties...
Published on
16 Apr 2020 - 15:43
#algebraic-geometry
#sheaf-theory
29
Views
Non-homeomorphic topologies making a map a local homeomorphism
Published on
16 Apr 2020 - 17:37
#general-topology
#sheaf-theory
532
Views
Stalk of the Restricted Sheaf
Published on
18 Apr 2020 - 19:09
#sheaf-theory
827
Views
Every local homeomorphism is an open map (Goldblatt's Topoi)
Published on
26 Mar 2026 - 4:32
#general-topology
#sheaf-theory
#open-map
1.8k
Views
Constant sheaf vs locally constant sheaf
Published on
19 Apr 2020 - 20:56
#algebraic-geometry
#sheaf-theory
264
Views
The tilde construction of a finitely generated $\Gamma(X,\mathcal{O}_{X})$-module.
Published on
19 Apr 2020 - 21:48
#algebraic-geometry
#sheaf-theory
#schemes
856
Views
External power of locally free sheaves
Published on
27 Mar 2026 - 10:10
#algebraic-geometry
#homological-algebra
#sheaf-theory
#exact-sequence
847
Views
Motivation for Quasi Coherent Sheaf
Published on
25 Mar 2026 - 19:10
#algebraic-geometry
#definition
#sheaf-theory
#vector-bundles
#quasicoherent-sheaves
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