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What (who) is Étale fundamental group - definition
Étale fundamental group
The étale or algebraic fundamental group is an analogue in algebraic geometry, for schemes, of the usual fundamental group of topological spaces.
Étale
WIKIMEDIA DISAMBIGUATION PAGE
Etale; Étale (disambiguation)
In mathematics, more specifically in algebra, the adjective étale refers to several closely related concepts:
Étale morphism
SMOOTH SCHEME MORPHISM OF RELATIVE DIMENSION 0
Etale morphism; Étale map; Étale covering; Etale morphisms; Etale covering; Etale map
In algebraic geometry, an étale morphism () is a morphism of schemes that is formally étale and locally of finite presentation. This is an algebraic analogue of the notion of a local isomorphism in the complex analytic topology.
