Abstract
Abstract We show how to reconstruct a graded ample Hausdorff groupoid with topologically principal neutrally graded component from the ring structure of its graded Steinberg algebra over any commutative integral domain with 1, together with the embedding of the canonical abelian subring of functions supported on the unit space. We deduce that diagonal-preserving ring isomorphism of Leavitt path algebras implies C * {C^{*}} -isomorphism of C * {C^{*}} -algebras for graphs E and F in which every cycle has an exit.
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