Étale group scheme - Alchetron, The Free Social Encyclopedia

In mathematics, more precisely in algebra, an étale group scheme is a certain kind of group scheme.

Definition

A finite group scheme G over a field K is called an étale group scheme if it is represented by an étale K-algebra R , i.e. if R ⊗ K K ¯ is isomorphic to K ¯ × . . . × K ¯ .

References

Étale group scheme Wikipedia

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