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环图上Sturm-Liouville算子的部分反谱问题
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作者 官声玉 吴东杰 +1 位作者 murat sat 杨传富 《数学物理学报(A辑)》 CSCD 北大核心 2021年第2期289-295,共7页
该文考虑量子环图上Sturm-Liouville算子.在一部分势函数已知情况下,通过谱数据重构未知势函数,并且给出其重构算法和唯一性定理.
关键词 部分反问题 STURM-LIOUVILLE算子 量子图 RIESZ基
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Inverse resonance problems with the discontinuous conditions
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作者 ZHANG Ran murat sat YANG Chuan-fu 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2022年第4期530-545,共16页
In this paper,we consider the inverse resonance problems for the discontinuous and non-selfadjoint Sturm-Liouville problem.We prove the uniqueness theorem and provide a reconstructive algorithm for the potential by us... In this paper,we consider the inverse resonance problems for the discontinuous and non-selfadjoint Sturm-Liouville problem.We prove the uniqueness theorem and provide a reconstructive algorithm for the potential by using the Cauchy data and Weyl function. 展开更多
关键词 inverse resonance problem discontinuous conditions Gelfand-Levitan kernel Weyl function
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Inverse nodal problem for the Sturm-Liouville operator with a weight
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作者 ZHANG Ran murat sat YANG Chuan-fu 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2020年第2期193-202,共10页
In this work,we consider the inverse nodal problem for the Sturm-Liouville problem with a weight and the jump condition at the middle point.It is shown that the dense nodes of the eigenfunctions can uniquely determine... In this work,we consider the inverse nodal problem for the Sturm-Liouville problem with a weight and the jump condition at the middle point.It is shown that the dense nodes of the eigenfunctions can uniquely determine the potential on the whole interval and some parameters. 展开更多
关键词 inverse nodal problem Sturm-Liouville operator discontinuous conditions weight function
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双环图上的唯一性及其重构
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作者 官声玉 杨传富 murat sat 《数学学报(中文版)》 CSCD 北大核心 2021年第6期991-998,共8页
本文研究带双环图上的Sturm-Liouville微分算子反问题,该算子在内部顶点处满足标准匹配条件.在求得特征值渐进式的基础上,通过子谱构成的向量函数系的完备性及其Riesz基性质重构未知势函数,并且给出解的唯一性定理和重构算法.
关键词 部分反问题 STURM-LIOUVILLE算子 双环图 标准匹配条件 RIESZ基
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