刘妍

职称：副教授

部门：数学学院党委、数学学院

学科：数学

教学部门：理学院党委、理学院

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邮件： yanliu@hhu.edu.cn

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10 访问

微分方程，差分方程，线性算子理论，矩阵理论

1、厄密线性关系扰动理论及其在奇异哈密顿系统中的应用,2020.01.01 00:00:00+00-2022.12.31 00:00:00+00,刘妍,国家自然科学基金委员会,理学院党委、理学院
2、厄密线性关系扰动理论及其应用研究,2017.07.01 00:00:00+00-2020.06.30 00:00:00+00,刘妍,江苏省科技厅,理学院党委、理学院
3、离散哈密顿系统谱的正则逼近,2017.10.01 00:00:00+00-2018.12.31 00:00:00+00,刘妍,基础学部（分设人文社科部、外语、数理、体育教学部）

1、Regular approximations of spectra of singular discrete linear Hamiltonian systems with one singular endpoint,Linear Algebra and its Applications,15-MAR-18
2、Approximation of eigenvalues below the essential spectra of singular second-order symmetric linear difference equations,Science China Mathematics,01-SEP-17
3、Regular approximations of spectra of singular second-order symmetric linear difference equations,Linear Algebra and its Applications,01-MAR-14
4、Regular approximations of isolated eigenvalues of singular second-order symmetric linear difference equations,Advances in Difference Equations,09-MAY-16
5、On the Stability of Self-Adjointness of Linear Relations,DISCRETE DYNAMICS IN NATURE AND SOCIETY,29-DEC-19
6、Invariance of Deficiency Indices of Second-Order Symmetric Linear Difference Equations under Perturbations,JOURNAL OF FUNCTION SPACES,13-FEB-20
7、Stability of deficiency indices of Hermitian subspaces under relatively bounded perturbations,LINEAR & MULTILINEAR ALGEBRA,01-APR-20
8、Stability of deficiency indices for discrete Hamiltonian systems under bounded perturbations,Advances in Difference Equations,25-DEC-20
9、自伴线性关系的绝对连续谱在扰动下的稳定性,数学的实践与认识,01-FEB-20

19年获“江苏省高校第六届数学基础课青年教师授课竞赛”本科组一等奖。和校级讲课竞赛三等奖。

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