Geodesic
On c-sets and products of ideals
Colloquium Mathematicum, Tome 62 (1991) no. 1, pp. 1-6

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Let X, Y be uncountable Polish spaces and let μ be a complete σ-finite Borel measure on X. Denote by K and L the families of all meager subsets of X and of all subsets of Y with μ measure zero, respectively. It is shown that the product of the ideals K and L restricted to C-sets of Selivanovskiĭ is σ-saturated, which extends Gavalec's results.
DOI : 10.4064/cm-62-1-1-6

Marek Balcerzak 1

1 
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Marek Balcerzak. On c-sets and products of ideals. Colloquium Mathematicum, Tome 62 (1991) no. 1, pp. 1-6. doi: 10.4064/cm-62-1-1-6

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