Mathlib Map

Structures · Geometry

AlgebraicGeometry.IsImmersion

A morphism of schemes f : X ⟶ Y is an immersion if 1. the underlying map of topological spaces is an embedding 2. the range of the map is locally closed 3. the induced morphisms of stalks are all surjective.

Defined in
Mathlib.AlgebraicGeometry.Morphisms.Immersion
Shape
One type argument · adds isLocallyClosed_range

Extends1

Extended by2

Forgetful instances

Concrete types that are instances3

  • CategoryTheory.Limits.pullback
  • AlgebraicGeometry.Scheme.Opens.toScheme
  • CategoryTheory.Limits.equalizer

How is a type an instance?

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Assumed by27

Ancestors4