A Variation on Selberg's Approximation Problem

A Variation on Selberg's Approximation Problem
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Selberg 近似问题的变体

DOI:
10.1112/s0025579314000199
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发表时间:
2014
期刊:
arXiv: Classical Analysis and ODEs
影响因子:
--
通讯作者:
M. Kelly
M. Kelly
中科院分区:
--
文献类型:
--
作者:
M. Kelly

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设$\alpha\in\mathbb{C}$在上半平面,设$I$是一个区间。我们构造了$I$特征函数在$\ α $处消失的Selberg's major的类比。构造是基于一个具有正约束和插值约束的极值问题的解。
Let $\alpha\in\mathbb{C}$ in the upper half-plane and let $I$ be an interval. We construct an analogue of Selberg's majorant of the characteristic function of $I$ that vanishes at the point $\alpha$. The construction is based on the solution to an extremal problem with positivity and interpolation constraints.