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15
143
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Is the pullback of a quotient stack a quotient stack?

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#algebraic-stacks
98
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Residual Gerbe is Étale Locally a Classifying Stack

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#algebraic-stacks
72
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Is the moduli stack of stable maps functorial?

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#algebraic-geometry #moduli-space #algebraic-stacks
123
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Reference request: prestacks

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#algebraic-geometry #reference-request #algebraic-stacks
38
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Pullback of a line bundle on a stack amounts to a rational character

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#algebraic-geometry #vector-bundles #quotient-spaces #pullback #algebraic-stacks
169
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Compactification of $M_{1, 1}$

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#algebraic-geometry #elliptic-curves #moduli-space #algebraic-stacks
118
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What's the explicit description of the atlas of quotient stack?

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#algebraic-geometry #algebraic-stacks
174
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How to compute the fiber product of stacks?

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#algebraic-geometry #algebraic-stacks
60
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Understanding the representations of stabilizer groups of points in a stack

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#algebraic-geometry #sheaf-theory #algebraic-stacks
138
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Quasi-separatedness of diagonal of DM stacks and group stabilizer of a point

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#algebraic-geometry #schemes #algebraic-stacks
101
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How to compute the fiber of point between algebraic stacks?

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#algebraic-geometry #algebraic-stacks #fibre-product
153
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Understanding the quotient (pre)stack

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#category-theory #principal-bundles #algebraic-stacks
49
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Differences between equivalent definitions of algebraic spaces

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#algebraic-geometry #moduli-space #algebraic-stacks
137
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Action of the stabilizer group on the completed local ring

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#algebraic-geometry #commutative-algebra #elliptic-curves #algebraic-stacks
136
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When is a stack a sheaf?

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#algebraic-geometry #sheaf-theory #schemes #algebraic-stacks

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