Definition:Real Embedding
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Definition
Let $K$ be a subfield of the set of complex numbers $\C$.
A real embedding of $K$ is an embedding of $K$ into the set of real numbers $\R$.
That is, a real embedding is an injective field homomorphism $\sigma: K \to \R$.
Sources
- This article incorporates material from real and complex embeddings on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike License.