Commutation methods for Schrödinger operators with strongly singular potentials

Commutation methods for Schrödinger operators with strongly singular potentials
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具有强奇异势的薛定谔算子的交换方法

DOI:
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发表时间:
2010
期刊:
影响因子:
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通讯作者:
G. Teschl
G. Teschl
中科院分区:
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文献类型:
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作者:
A. Kostenko;A. Sakhnovich;G. Teschl

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我们探索奇异 Weyl-Titchmarsh 理论与单、双交换方法之间的联系。特别是,我们根据原始算子计算交换算子的奇异 Weyl 函数。我们将结果应用于球形薛定谔算子(也称为贝塞尔算子)。我们还研究了与广义 Bäcklund-Darboux 变换的联系。
We explore the connections between singular Weyl–Titchmarsh theory and the single and double commutation methods. In particular, we compute the singular Weyl function of the commuted operators in terms of the original operator. We apply the results to spherical Schrödinger operators (also known as Bessel operators). We also investigate the connections with the generalized Bäcklund–Darboux transformation.