Mathlib Map

Structures · Category theory

CategoryTheory.Functor.IsDenseSubsite

The functor G : C ⥤ D exhibits (C, J) as a dense subsite of (D, K) if G is cover-dense, locally fully-faithful, and S is a cover of C if and only if the image of S in D is a cover.

Defined in
Mathlib.CategoryTheory.Sites.DenseSubsite.Basic
Shape
3 explicit arguments · adds isCoverDense', isLocallyFull', isLocallyFaithful', functorPushforward_mem_iff

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Concrete types that are instances4

  • CategoryTheory.Over
  • TopologicalSpace.Opens
  • AlgebraicGeometry.Scheme.AffineEtale
  • AlgebraicGeometry.Scheme.AffineZariskiSite

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