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AlgebraicGeometry.Scheme.Cover.LocallyDirected

A directed P-cover of a scheme X is a cover 𝒰 with an ordering on the indices and compatible transition maps 𝒰ᵢ ⟶ 𝒰ⱼ for i ≤ j such that every x : 𝒰ᵢ ×[X] 𝒰ⱼ comes from some 𝒰ₖ for a k ≤ i and k ≤ j.

Defined in
Mathlib.AlgebraicGeometry.Cover.Directed
Shape
One type argument · adds trans, trans_id, trans_comp, w, directed, property_trans

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Concrete types that are instances1

  • AlgebraicGeometry.IsOpenImmersion

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