Abstract

We characterize the canonical diagonal subalgebra of the C⁎-algebra associated with a generalized Boolean dynamical system. We also introduce a particular commutative subalgebra, which we call the abelian core, in our C⁎-algebra. We then establish a uniqueness theorem under the assumptions that B and L are countable, which says that a ⁎-homomorphism of our C⁎-algebra is injective if and only if its restriction to the abelian core is injective.

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