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On s-sets in spaces of homogeneous type

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Carena M., Toschi M.

Colloquium Mathematicum

2015

tom 138

nr 2

193-203

Let (X,d,μ) be a space of homogeneous type. We study the relationship between two types of s-sets: relative to a distance and relative to a measure. We find a condition on a closed subset F of X under which F is an s-set relative to the measure μ if and only if F is an s-set relative to δ. Here δ denotes the quasi-distance defined by Macías and Segovia such that (X,δ,μ) is a normal space. In order to prove this result, we prove a covering type lemma and a type of Hausdorff measure based criterion for a given set to be an s-set relative to μ.

Ograniczanie wyników

1 Colloquium Mathematicum

1 Carena M.

1 Toschi M.

1 2015

Wyniki wyszukiwania

On s-sets in spaces of homogeneous type