On projections of planar sets (Q1103738)
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scientific article; zbMATH DE number 4053962
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On projections of planar sets |
scientific article; zbMATH DE number 4053962 |
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On projections of planar sets (English)
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1986
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This article contains several variations of the following result: There is a second category set A such that the projection of \(A\times A\) in each direction has empty interior. These variations involve c-Lusin sets and assorted set theoretic assumptions.
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second category set
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c-Lusin sets
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