Definition:Conjugation on Algebra/Conjugate

Definition
Let $A = \left({A_F, \oplus}\right)$ be an algebra over a field $F$.

Let $C: A_F \to A_F$ be a conjugation on $A$. Let $a \in A$.

Then $C \left({a}\right)$ is called the conjugate of $a$.

Also see

 * Definition:Complex Conjugate