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Q

A Q-set is an uncountable set of reals all of whose subsets are relative $G_δ$ sets. We prove that, for an arbitrary uncountable cardinal kappa, there is consistently a Q-set of size $κ$ whose square is not Q. This answers a question of A. Miller.

3 nodes2 linksoverview mapQ
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3 nodes2 links
Q3 visible / 3 total nodes / 2 links
AuthorshipTopic signalWQpreprint / 2016AJoerg BrendleResearcherTmath.LO1661 works
PaperSignal 102 links

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preprint / 2016

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