Abstract
AbstractWe prove a partition theorem for analytic sets, namely, if X is an analytic set in a Polish space and [X]n = K0 ∪ K1 with K0 open in the relative topology, and the partition satisfies a finitary condition, then either there is a perfect K0‐homogeneous subset or X is a countable union of K1‐homogeneous subsets. We also prove a partition theorem for analytic sets in the three‐dimensional case. Finally, we give some applications of the theorems. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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