Finite Extensions

Authors, T. S. P. Finite Extensions. The Stacks Project.

Type

Web resource

Intellectual base

Web

Link

https://stacks.math.columbia.edu/tag/09G2

Cited by

1 citation across 1 artifact.

Domain-specific

• Quadratic Field
  • The nontrivial automorphism sends $\sqrt d$ to $-\sqrt d$, and hence sends $a+b\sqrt d$ to $a-b\sqrt d$.

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Registry ID ref:45598a7c1698 · see in the full table