A **normed algebra** is a specific type of algebraic structure that combines features of both normed spaces and algebras. To qualify as a normed algebra, a mathematical object must meet the following criteria: 1. **Algebra over a field**: A normed algebra \( A \) is a vector space over a field \( F \) (typically the field of real or complex numbers) equipped with a multiplication operation that is associative and distributive with respect to vector addition.
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