Category:Characters (Banach Algebras)

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This category contains results about Characters in the context of Banach Algebra.
Definitions specific to this category can be found in Definitions/Characters (Banach Algebras).

Let $\struct {A, \norm {\, \cdot \,} }$ be a Banach algebra over $\C$.

Let $\phi : A \to \C$ be a non-zero algebra homomorphism on $A$.

We say that $\phi$ is a character on $A$.