Khintchine-type theorems for values of subhomogeneous functions at integer points
Khintchine-type theorems for values of subhomogeneous functions at integer points
复制标题
次齐次函数在整数点处的值的 Khintchine 型定理
DOI:
10.1007/s00605-020-01498-1
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Skenderi, Mishel
中科院分区:
文献类型:
--
作者:
Kleinbock, Dmitry;Skenderi, Mishel
This work has been motivated by recent papers that quantify the density of values of generic quadratic forms and other polynomials at integer points, in particular ones that use Rogers’ second moment estimates. In this paper, we establish such results in a very general framework. Given any subhomogeneous function (a notion to be defined), we derive a necessary and sufficient condition on the approximating functionfor guaranteeing that a generic elementin theG-orbit offis-approximable; that is,for infinitely manyWe also deduce a sufficient condition in the case of uniform approximation. HereGcan be any closed subgroup ofsatisfying certain axioms that allow for the use of Rogers-type estimates.
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影响因子:
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DOI:
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发表时间:
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期刊:
arXiv: Number Theory
影响因子:
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作者:
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DOI:
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发表时间:
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期刊:
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影响因子:
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作者:
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