C*-algebra

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Science and technology

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What Wikipedia says

In mathematics, specifically in functional analysis, a C∗-algebra (pronounced "C-star") is a Banach algebra together with an involution satisfying the properties of the adjoint. A particular case is that of a complex algebra A of continuous linear operators on a complex Hilbert space with two additional properties:

Excerpt from the Wikipedia article “C*-algebra”, under the CC BY-SA 4.0 license. Read the article on Wikipedia