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Theorems · Definition · category theory

CategoryTheory.Functor.inducedTopology

{C : Type u₁} →
  {D : Type u₂} →
    [inst : CategoryTheory.Category.{v₁, u₁} C] →
      [inst_1 : CategoryTheory.Category.{v₂, u₂} D] →
        CategoryTheory.Functor C D → CategoryTheory.GrothendieckTopology D → CategoryTheory.GrothendieckTopology C

The induced topology by a topology on D along a functor F : C ⥤ D is the finest topology on C making F continuous. [SGA4, III, 3.1][sga-4-tome-1]

Defined in
Mathlib.CategoryTheory.Sites.InducedTopology
Cited by
19 results in Mathlib
Foundations
Depth 37 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Category

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CategoryTheory.Functor.mem_inducedTopology_iff_of_isCoverDense · cited by 4Functor.mem_inducedTopolo…CategoryTheory.Functor.le_inducedTopology_iff · cited by 3Functor.le_inducedTopolog…AlgebraicGeometry.Scheme.AffineZariskiSite.grothendieckTopology · cited by 3AffineZariskiSite.grothen…CategoryTheory.Functor.restrictedTopology_eq_inducedTopology · cited by 1Functor.restrictedTopolog…CategoryTheory.Functor.restrictedTopology_eq_inducedTopology_of_isContinuous · cited by 1Functor.restrictedTopolog…CategoryTheory.MorphismProperty.toGrothendieck_comap_forget_eq_inducedTopology · cited by 1MorphismProperty.toGrothe…CategoryTheory.hasSheafifyEssentiallySmallSite · cited by 1CategoryTheory.hasSheafif…CategoryTheory.coherentTopology.exists_effectiveEpiFamily_iff_mem_induced · cited by 1coherentTopology.exists_e…AlgebraicGeometry.Scheme.AffineEtale.topology · cited by 1AffineEtale.topologyCategoryTheory.Functor.inducedTopology_le_restrictedTopology · cited by 1Functor.inducedTopology_l…CategoryTheory.regularTopology.exists_effectiveEpi_iff_mem_induced · cited by 1regularTopology.exists_ef…CategoryTheory.Functor.sheafInducedTopologyEquivOfIsCoverDense · cited by 1Functor.sheafInducedTopol…CategoryTheory.smallSheafificationAdjunction · cited by 0CategoryTheory.smallSheaf…CategoryTheory.smallSheafify · cited by 0CategoryTheory.smallSheaf…CategoryTheory.hasLimitsEssentiallySmallSite · cited by 0CategoryTheory.hasLimitsE…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorCategoryTheory.Functor.comp · cited by 6529Functor.compSet.range · cited by 4705Set.rangeCategoryTheory.GrothendieckTopology · cited by 1415CategoryTheory.Grothendie…CategoryTheory.ObjectProperty.FullSubcategory.obj · cited by 1316FullSubcategory.objCategoryTheory.Functor.op · cited by 997Functor.opCategoryTheory.Sheaf · cited by 763CategoryTheory.SheafCategoryTheory.Sheaf.finestTopology · cited by 3Sheaf.finestTopologyFunctor.inducedTopologyCITED BYCITES

Cites9

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Cited by27

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