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Étale group scheme

From Wikipedia, the free encyclopedia

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

Definition

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

References

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  • John Voight, Introduction to group schemes (PDF), Dartmouth College (lecture notes)