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σ-Homogeneity of Borel sets
被引:0
|作者:
Alexey Ostrovsky
机构:
来源:
关键词:
Borel sets;
-homogeneous spaces;
Wadge classification;
Primary 54H05;
03E15;
Secondary 03E60;
28A05;
D O I:
暂无
中图分类号:
学科分类号:
摘要:
We give an affirmative answer to the following question: Is any Borel subset of a Cantor set C a sum of a countable number of pairwise disjoint h-homogeneous subspaces that are closed in X? It follows that every Borel set \documentclass[12pt]{minimal}
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\begin{document}$${X \subset {\bf R}^n}$$\end{document} can be partitioned into countably many h-homogeneous subspaces that are Gδ-sets in X.
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页码:661 / 664
页数:3
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