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Projectionless C*-algebra

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A **projectionless C*-algebra** is a type of C*-algebra that contains no non-zero projections. To elaborate, a projection in a C*-algebra is an element \( p \) such that: 1. \( p = p^* \) (self-adjoint), 2. \( p^2 = p \) (idempotent).

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