$K$ -automorphism

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Revision 1028

8/7/2026, 8:41:48 AM · Ancient Tree

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Let $L$ be a [[Field extension|field extension]] of a field $K$. A $K$-automorphism of $L$ is a bijective $K$[[$K$-morphism|-morphism]] $\varphi:L\rightarrow L$.

Let $L$ be a [[Field extension|field extension]] of a field $K$. A $K$-automorphism of $L$ is a bijective $K$[[$K$-morphism|-morphism]]

2$$\varphi:L\rightarrow L.$$

Revision 1027

8/7/2026, 8:41:18 AM · Ancient Tree

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Let $L$ be a [[Field extension|field extension]] of a field $K$. A $K$-automorphism of $L$ is a bijective $K$[[$K$-morphism|-morphism]] $\varphi:L\rightarrow L$.