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15
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Stacks and Grothendieck topology.

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#algebraic-geometry #grothendieck-topologies #algebraic-stacks
207
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Where can I find a clear overview of the grothendieck construction?

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#algebraic-geometry #reference-request #category-theory #algebraic-stacks #grothendieck-construction
398
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How is a Stack the generalisation of a sheaf from a 2-category point of view?

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#algebraic-geometry #soft-question #sheaf-theory #algebraic-stacks
256
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Higher stacks and BG

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#category-theory #higher-category-theory #classifying-spaces #algebraic-stacks #topological-stacks
300
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Example of a Picard stack

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#algebraic-geometry #algebraic-stacks #picard-group
130
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Simple question about group action on Pullbacks in the quotient stack $[X/G]$

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#algebraic-geometry #quotient-group #algebraic-stacks
799
Views

2-commutative diagram in 2-category

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#category-theory #algebraic-stacks #2-categories
100
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Proof of $\mathfrak{S}_F \times_{\mathfrak{S}_H} \mathfrak{S}_G \cong \mathfrak{S}_{F \times_H G}$, categories fibered in sets

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#algebraic-geometry #category-theory #higher-category-theory #algebraic-stacks
274
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Projective line with two points identified

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#algebraic-geometry #schemes #quotient-spaces #algebraic-stacks
168
Views

Corollary (1.6.2)(b) in "Champs algébriques"

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#algebraic-geometry #category-theory #schemes #algebraic-stacks
146
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Geometric intuition - flatness of morphism of stacks

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#flatness #algebraic-stacks
203
Views

Deformation theory and algebraic stacks

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#algebraic-geometry #deformation-theory #algebraic-stacks
298
Views

Reference for quotient stacks

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#algebraic-geometry #reference-request #algebraic-stacks
94
Views

Stacky Nakayama Lemma

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#algebraic-geometry #commutative-algebra #category-theory #algebraic-stacks
374
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Quotient Stacks and Torsors

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#algebraic-geometry #category-theory #algebraic-stacks

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