Atomless r-maximal sets

被引：4

作者：

Cholak, PA ^{[1
]}

Nies, A

机构：

[1] Univ Notre Dame, Dept Math, Notre Dame, IN 46556 USA

[2] Univ Chicago, Dept Math, Chicago, IL 60637 USA

来源：

ISRAEL JOURNAL OF MATHEMATICS | 1999年 / 113卷 / 1期

关键词：

D O I：

10.1007/BF02780182

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We focus on L(A), the filter of supersets of A in the structure of the computably enumerable sets under the inclusion relation, where A is an atomless r-maximal set. We answer a long-standing question by showing that there are infinitely many pairwise non-isomorphic filters of this type.

引用

页码：305 / 322

页数：18

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