On Borel equivalence relations in generalized Baire space

被引:2
作者
Friedman, Sy-David [2 ]
Hyttinen, Tapani [1 ]
机构
[1] Univ Helsinki, Dept Math & Stat, FIN-00014 Helsinki, Finland
[2] Kurt Godel Res Ctr Math Log, A-1090 Vienna, Austria
基金
芬兰科学院; 奥地利科学基金会;
关键词
Generalized descriptive set theory; Borel equivalence relations;
D O I
10.1007/s00153-011-0266-3
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We construct two Borel equivalence relations on the generalized Baire space kappa(kappa), kappa(<kappa) = kappa > omega, with the property that neither of them is Borel reducible to the other. A small modification of the construction shows that the straightforward generalization of the Glimm-Effros dichotomy fails.
引用
收藏
页码:299 / 304
页数:6
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