Our primary result is that the
space of all compact zeroset-regular, nonatomic, countably additive Baire measures is
dense, with iespect to the weak topology, in the space of alI finitely additive, zero-set
regular Baire measures if the underlying topological space is locally compact,
Iiausdorff, and perfect. Moreover, a corresponding result holds for Borel measures.
These results yield, as easy corollaries, the existence of nonzero, nonatomic,
countably additive, compact-regular Baire and Borel measures on a locally compact,
Hausdorff space which contains a nonempty perfect subset, Two converses conclude
the paper.
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