Complex Jacobi matrices generated by Darboux transformations
Complex Jacobi matrices generated by Darboux transformations
复制标题
由达布变换生成的复雅可比矩阵
DOI:
10.1016/j.jat.2023.105876
复制
发表时间:
2023
影响因子:
0.9
通讯作者:
Derevyagin, Maxim
中科院分区:
文献类型:
--
作者:
Bailey, Rachel;Derevyagin, Maxim
In this paper, we study complex Jacobi matrices obtained by the Christoffel and Geronimus transformations at a nonreal complex number, including the properties of the corresponding sequences of orthogonal polynomials. We also present some invariant and semi-invariant properties of Jacobi matrices under such transformations. For instance, we show that a Nevai class is invariant under the transformations in question, which is not true in general, and that the ratio asymptotic still holds outside the spectrum of the corresponding symmetric complex Jacobi matrix but the spectrum could include one extra point. In principal, these transformations can be iterated and, for example, we demonstrate how Geronimus transformations can lead to R I I-recurrence relations, which in turn are related to orthogonal rational functions and pencils of Jacobi matrices.
登录
查看更多内容
DOI:
--
发表时间:
2007
期刊:
影响因子:
--
作者:
Takeshi;Kawazoe;Takeshi Kawazoe;Takeshi Kawazoe
通讯作者:
Takeshi Kawazoe
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
Maxim S. Derevyagin;V. Derkach
通讯作者:
V. Derkach
DOI:
--
发表时间:
2002
期刊:
影响因子:
--
作者:
G. Yoon
通讯作者:
G. Yoon
影响因子:
0.9
作者:
B. Simon
通讯作者:
B. Simon
DOI:
--
发表时间:
2004
期刊:
影响因子:
--
作者:
M. Bueno;F. Marcellán
通讯作者:
F. Marcellán