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Stack on commutative ring spectra?

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#homotopy-theory #algebraic-stacks
636
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Stacks versus sheaves with values in categories

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#category-theory #sheaf-theory #higher-category-theory #algebraic-stacks
240
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How does a section of a stack give a sheaf?

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#category-theory #sheaf-theory #higher-category-theory #descent #algebraic-stacks
1.1k
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Three meanings of étale sheaf on X

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#algebraic-geometry #etale-cohomology #algebraic-stacks
193
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Examples of algebro-geometric moduli problems without a "natural" choice of pullback?

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#algebraic-geometry #moduli-space #algebraic-stacks
314
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Understanding the stack $B\mathbb{Z}$

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#algebraic-geometry #representation-theory #algebraic-groups #algebraic-stacks
49
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About the notion of Deligne-Mumford stack

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#sheaf-theory #schemes #algebraic-stacks
173
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Dualizing complex of a connected smooth Artin Stack of Dimension Zero

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#algebraic-geometry #sheaf-cohomology #etale-cohomology #algebraic-stacks
351
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How is a morphism between a scheme and a stack defined?

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#algebraic-geometry #category-theory #algebraic-stacks
666
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What's the cohomology of the classifying stack $[\text{pt}/G]$?

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#algebraic-geometry #algebraic-topology #homology-cohomology #algebraic-stacks #equivariant-cohomology
506
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Moduli functor $\mathcal{M}_g$ of smooth curves of genus $g$ not representable

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#algebraic-geometry #schemes #algebraic-stacks
59
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Derived category of stack of vector bundles on (punctured) affine plane

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#category-theory #vector-bundles #derived-categories #algebraic-stacks
541
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Understanding Sheaves and Stacks

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#algebraic-geometry #algebraic-topology #homotopy-theory #algebraic-stacks #topological-stacks
419
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Good books on stacks

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#algebraic-geometry #reference-request #algebraic-stacks
139
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Is there any known categorification of the completion of the rational numbers to the real numbers?

Published on
#algebraic-geometry #category-theory #soft-question #algebraic-stacks

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