GAGA principle

E883478

The GAGA principle is a foundational result in algebraic geometry that establishes a precise correspondence between algebraic geometry over the complex numbers and complex analytic geometry, allowing one to translate problems and results between these two settings.

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Label Occurrences
GAGA principle canonical 1
Oka principle 1

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Predicate Object
instanceOf equivalence principle
theorem in algebraic geometry
abbreviationFor Géométrie Algébrique et Géométrie Analytique
aimsTo translate problems between algebraic and analytic settings
appliesTo complex projective varieties
proper schemes over the complex numbers
asserts every analytic coherent sheaf on a proper complex algebraic variety is algebraizable
every analytic morphism between proper complex algebraic varieties is algebraic
isomorphism between algebraic and analytic cohomology of coherent sheaves
baseField complex numbers
compares algebraic category of coherent sheaves
analytic category of coherent sheaves
concerns cohomology of coherent sheaves
proper morphisms over the complex numbers
context complex analytic spaces
proper complex algebraic varieties
ensures analytic invariants coincide with algebraic invariants for proper complex varieties
establishes equivalence between algebraic and analytic coherent sheaves
equivalence between algebraic and analytic line bundles
equivalence between algebraic and analytic vector bundles
field algebraic geometry
complex analytic geometry
formulatedBy Jean-Pierre Serre
generalizedBy formal GAGA theorems
linked to: GAGA theorems

non-archimedean GAGA theorems
rigid-analytic GAGA theorems
hasAbbreviation GAGA
implies equivalence of categories of algebraic and analytic line bundles on proper complex varieties
equivalence of categories of algebraic and analytic vector bundles on proper complex varieties
equivalence of categories of coherent algebraic and analytic sheaves on proper complex varieties
influenced development of comparison theorems in algebraic geometry
modern theory of schemes
language category theory
sheaf cohomology
publicationYear 1956
publishedIn Annales de l’Institut Fourier
relatedTo Riemann existence theorem
Serre’s cohomology theorems
comparison theorems between algebraic and analytic geometry
relates algebraic geometry over the complex numbers
complex analytic geometry
statedIn Géométrie Algébrique et Géométrie Analytique
uses analytification functor

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Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Oka coherence theorem relatedTo Oka principle
linked to: GAGA principle