Strong approximation and descent
Strong approximation and descent
复制标题
强逼近和下降
DOI:
10.1515/crelle-2014-0149
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发表时间:
2013-11
影响因子:
1.5
通讯作者:
Wei Dasheng
中科院分区:
文献类型:
--
作者:
Derenthal Ulrich;Wei Dasheng
We introduce descent methods to the study of strong approximation on algebraic varieties. We apply them to two classes of varieties defined by P(t)=N_{K/k}(z): firstly for quartic extensions of number fields K/k and quadratic polynomials P(t) in one variable, and secondly for k=Q, an arbitrary number field K and P(t) a product of linear polynomials over Q in at least two variables. Finally, we illustrate that a certain unboundedness condition at archimedean places is necessary for strong approximation.
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DOI:
10.4064/aa157-2-4
发表时间:
2011-12
期刊:
arXiv: Number Theory
影响因子:
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DOI:
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发表时间:
2012-09
期刊:
arXiv: Number Theory
影响因子:
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