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15
180
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Continuous functor for a Grothendieck topology

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#category-theory #topos-theory #functors
370
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Show that a certain functor preserves colimits and finite limits by verifying it on the stalks of sheaves

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#category-theory #topos-theory #limits-colimits
351
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Prove that a "tensor product" principal $G$-bundle coincides with a "pullback" via topos morphism

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#category-theory #topos-theory #principal-bundles #limits-colimits
380
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(From Awodey) Find the subobject classifier for $\sf Sets^{P}$ for a poset $\sf P$

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#category-theory #proof-explanation #topos-theory
136
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Cardinal collapse and (higher) toposes

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#soft-question #category-theory #model-theory #topos-theory #type-theory
160
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Geometric interpretation of Lawvere-Tierney topology

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#category-theory #sheaf-theory #topos-theory
82
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Can 2 different coverages *on the same category* yield the same sheaf topos?

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#sheaf-theory #topos-theory
332
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Is there a classifying topos for schemes?

Published on
#algebraic-geometry #schemes #topos-theory
188
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$\infty$-categories definition disambiguation

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#algebraic-topology #simplicial-stuff #topos-theory #higher-category-theory
287
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Classifying topos of a topological group

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#category-theory #topological-groups #topos-theory
152
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Lattice subobjects of the power object in a topos

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#category-theory #topos-theory #yoneda-lemma
227
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Coincidence of classical notion of covering in classical topology and covering sieve in grothendieck topology

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#general-topology #category-theory #topos-theory #grothendieck-topologies
126
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Construction of Presheaf category such that subobjects of the terminal functor give a desired Heyting Algebra

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#category-theory #topos-theory
99
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Locality in Grothendieck Topologies

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#algebraic-geometry #topos-theory #grothendieck-topologies
610
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What has more potential: Differential algebraic geometry or Diffiety theory?

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#ordinary-differential-equations #algebraic-geometry #reference-request #category-theory #topos-theory

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