# Category:Unital Banach Algebras

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This category contains results about **Unital Banach Algebras**.

Let $\Bbb F \in \set {\R, \C}$.

Let $\struct {A, \norm \cdot}$ be a Banach algebra over $\Bbb F$ that is unital as an algebra.

Let $\mathbf 1_A$ be the identity element of $A$.

We say that $A$ is a **unital Banach algebra** if and only if:

- $\norm {\mathbf 1_A} = 1$

## Subcategories

This category has only the following subcategory.

## Pages in category "Unital Banach Algebras"

The following 6 pages are in this category, out of 6 total.