Partition calculus and cardinal invariants

被引:12
|
作者
Garti, Shimon [1 ]
Shelah, Saharon [1 ,2 ]
机构
[1] Hebrew Univ Jerusalem, Inst Math, IL-91904 Jerusalem, Israel
[2] Rutgers State Univ, Dept Math, New Brunswick, NJ 08854 USA
关键词
partition calculus; cardinal characteristics;
D O I
10.2969/jmsj/06620425
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove that the strong polarized relation ((theta)(omega)) -> ((theta)(omega))(2)(1,1), applied simultaneously for every theta is an element of [Nu(1), 2(N0))], is consistent with ZFC. Consequently, , ((inv)(omega)) -> ((inv)(omega))(2)(1,1) is consistent for every cardinal invariant of the continuum. Some results in this direction are generalized to higher cardinals. Nous prouvons que la relation polarisee forte ((theta)(omega)) -> ((theta)(omega))(2)(1,1), appliquee simultanement a chaque cardinal theta is an element of [Nu(1), 2(N0))], est en accord avec ZFC. Par consequent, la relation ((inv)(omega)) -> ((inv)(omega))(2)(1,1) est en accord avec ZFC pour chaque caracteristique sur le continu. Nous etudions plusieurs generalisations pour certains cardinaux eleves.
引用
收藏
页码:425 / 434
页数:10
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