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Theorems · Theorem · algebraic geometry

AlgebraicGeometry.Scheme.Hom.finrank_pullback_snd

∀ {X Y Z : AlgebraicGeometry.Scheme} (f : X ⟶ Z) (g : Y ⟶ Z) [AlgebraicGeometry.Flat f] [AlgebraicGeometry.IsFinite f]
  (y : ↥Y),
  AlgebraicGeometry.Scheme.Hom.finrank (CategoryTheory.Limits.pullback.snd f g) y =
    AlgebraicGeometry.Scheme.Hom.finrank f (g y)
Defined in
Mathlib.AlgebraicGeometry.Morphisms.FlatRank
Cited by
6 results in Mathlib
Foundations
Depth 223 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
AlgebraicGeometry.FlatAlgebraicGeometry.IsFinite

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

AlgebraicGeometry.Scheme.Hom.one_le_finrank_map · cited by 1Hom.one_le_finrank_mapAlgebraicGeometry.Scheme.Hom.finrank_eq_one_of_isIso · cited by 1Hom.finrank_eq_one_of_isI…AlgebraicGeometry.Scheme.Hom.finrank_of_isPullback · cited by 1Hom.finrank_of_isPullbackAlgebraicGeometry.Scheme.Hom.one_le_finrank_iff_surjective · cited by 0Hom.one_le_finrank_iff_su…AlgebraicGeometry.Scheme.Hom.isIso_iff_finrank_eq · cited by 0Hom.isIso_iff_finrank_eqAlgebraicGeometry.Scheme.Hom.isLocallyConstant_finrank · cited by 0Hom.isLocallyConstant_fin…DFunLike.coe · cited by 62936DFunLike.coeQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.CategoryStruct.comp · cited by 17999CategoryStruct.compCategoryTheory.Iso.hom · cited by 7684Iso.homCategoryTheory.ConcreteCategory.hom · cited by 4022ConcreteCategory.homTopCat.carrier · cited by 3184TopCat.carrierAlgebraicGeometry.Scheme · cited by 2540AlgebraicGeometry.SchemeContinuousMap · cited by 2491ContinuousMapCommRingCat · cited by 2333CommRingCatAlgebraicGeometry.PresheafedSpace.carrier · cited by 2020PresheafedSpace.carrierAlgebraicGeometry.SheafedSpace.toPresheafedSpace · cited by 1988SheafedSpace.toPresheafed…AlgebraicGeometry.LocallyRingedSpace.toSheafedSpace · cited by 1892LocallyRingedSpace.toShea…TopCat · cited by 1889TopCatAlgebraicGeometry.Scheme.toLocallyRingedSpace · cited by 1734Scheme.toLocallyRingedSpa…AlgebraicGeometry.PresheafedSpace.Hom.base · cited by 1135Hom.baseHom.finrank_pullback_sndCITED BYCITES

Cites29

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Cited by6

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