GENERIC STABILITY AND STABILITY

被引:5
作者
Adler, Hans [1 ]
Casanovas, Enrique [2 ]
Pillay, Anand [3 ]
机构
[1] Kurt Godel Res Ctr Math Log, A-1090 Vienna, Austria
[2] Univ Barcelona, Dept Log Hist & Filosofia Ciencia, Barcelona 08001, Spain
[3] Univ Notre Dame, Dept Math, Notre Dame, IN 46556 USA
基金
英国工程与自然科学研究理事会;
关键词
Stable types; generically stable types; strong germs;
D O I
10.1017/jsl.2013.29
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove two results about generically stable types p in arbitrary theories. The first, on existence of strong germs, generalizes results from [2] on stably dominated types. The second is an equivalence of forking and dividing, assuming generic stability of p((m)) for all m. We use the latter result to answer in full generality a question posed by Hasson and Onshuus: If p(x) is an element of S(B) is stable and does not fork over A then p broken vertical bar A is stable.
引用
收藏
页码:179 / 185
页数:7
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