Definition 41.2.1 (Concrete Operator System).label Let $A$ be a $C^{*}$-algebra and $S \subset A$, then $S$ is a concrete operator system if:
- (1)
$1_{A} \in S$.
- (2)
$S = S^{*}$.
- (3)
$S$ is a linear subspace of $A$.
Definition 41.2.1 (Concrete Operator System).label Let $A$ be a $C^{*}$-algebra and $S \subset A$, then $S$ is a concrete operator system if:
$1_{A} \in S$.
$S = S^{*}$.
$S$ is a linear subspace of $A$.
Post a Comment