Selection Principles and Sierpinski Sets
Selection Principles and Sierpinski Sets
摘要
We show that a set of real numbers is a Sierpinski set if, and only if, it satisfies a selection property similar to the familiar Menger property.
We show that a set of real numbers is a Sierpinski set if, and only if, it satisfies a selection property similar to the familiar Menger property.
基金
NSF grant 99-71282
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