Sciweavers

CIE
2010
Springer
14 years 5 months ago
The Strength of the Besicovitch-Davies Theorem
A theorem of Besicovitch and Davies implies for Cantor space 2ω that each Σ1 1 (analytic) class of positive Hausdorff dimension contains a Π0 1 (closed) subclass of positive di...
Bjørn Kjos-Hanssen, Jan Reimann