On unions of porous sets (Q5906841)
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scientific article; zbMATH DE number 1095876
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On unions of porous sets |
scientific article; zbMATH DE number 1095876 |
Statements
On unions of porous sets (English)
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10 December 1997
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Porous sets form a hereditary class of subsets of the real line contained in the class of nowhere dense Lebesgue null sets. The paper gives several examples showing that porous sets are not stable under finite unions.
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porous set
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countable compact set
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ideal of sets
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Cantor-Bendixson rank
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