Between Maharam's and von Neumann's problems

被引：0
|
作者：
Farah, I
Zapletal, J
机构：
[1] York Univ, Dept Math & Stat, Toronto, ON M6G 1N5, Canada
[2] Inst Matemat, Belgrade, Serbia And Mont, Serbia
[3] Univ Florida, Dept Math & Stat, Gainesville, FL 32611 USA
来源：
MATHEMATICAL RESEARCH LETTERS | 2004年 / 11卷 / 5-6期
关键词：
D O I：
暂无
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In the context of definable algebras Maharam's and von Neumann's problems essentially coincide. Consequently, random forcing is the only definable ccc forcing adding a single real that does not make the ground model reals null, and the only pairs of definable ccc sigma-ideals with the Fubini property are (meager,meager) and (null,null).
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页码：673 / 684
页数：12
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