Definability of the ring of integers in pro-p Galois extensions of number fields

被引:13
|
作者
Videla, CR [1 ]
机构
[1] IPN, CINVESTAV, Dept Matemat, Mexico City 07300, DF, Mexico
关键词
Prime Ideal; Number Field; Galois Extension; Algebraic Integer; Finite Extension;
D O I
10.1007/BF02803513
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
For some infinite algebraic extensions M of the field of rational numbers we show that the integral closure of Z is first-order definable. As an application we prove that the Pythagorean hull of Q is an undecidable field.
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页码:1 / 14
页数:14
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