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HERMITIAN: 作品数：215被引量：192H指数：7; 导出分析报告; 相关领域：理学更多>>; 相关作者：李莹赵建立温瑞萍梁茂林代丽芳更多>>; 相关机构：长沙理工大学上海大学聊城大学中国科学院大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金山东省自然科学基金更多>>

Non-Hermitian Physics in Mesoscopic Electron Transport Through Coupled Quantum Dots: 《Chinese Physics Letters》2025年第4期114-124,共11页Yiyang Li Jincheng Lu Chen Wang Jian-Hua Jiang; supported by the National Key R&D Program of China(Grant No.2022YFA1404400);the National Natural Science Foundation of China(Grant No.12125504 and 12305050);Zhejiang Provincial Natural Science Foundation of China(Grant No.LZ25A050001);the Hundred Talents Program of the Chinese Academy of Sciences;the Natural Science Foundation of Jiangsu Higher Education Institutions of China(Grant No.23KJB140017)。; We investigate electron mesoscopic transport in a three-terminal setup with coupled quantum dots and a magnetic flux.By mapping the original transport problem into a non-Hermitian Hamiltonian form,we study the interpl...; 关键词：quantum dots magnetic fluxby electron mesoscopic transport non hermitian physics magnetic fluxand coherent couplings transport problem tunnel coupling

A VECTOR BUNDLE VALUED MIXED HARD LEFSCHETZ THEOREM: 《Acta Mathematica Scientia》2025年第2期514-524,共11页Zeng CHEN Guanxiang WANG; supported by the National key R and D Program of China 2020YFA0713100;the NSFC(12141104,12371062 and 12431004).; In this paper,we obtain a vector bundle valued mixed hard Lefschetz theorem.The argument is mainly based on the works of Tien-Cuong Dinh and Viet-Anh Nguyen.; 关键词：hard Lefschetz theorem holomorphic vector bundle Hermitian fat vector bundle

EXISTENCE OF SOME SPECIAL CONFORMALLY-KAHLER METRICS ON CERTAIN CP1 BUNDLES: 《Acta Mathematica Scientia》2025年第2期525-539,共15页Jing CHEN Daniel GUAN; supported by the Nature Science Foundation of China(12171140).; In this paper,we prove that for certain fiber bundles there is a k-Futaki-Ono conformally Kahler metric related to a metric in any given Kahler class for any k≥2.; 关键词：Hermitian metrics conformally-Kahler metrics complex manifolds scalar curvature fiber bundle almost homogeneous manifolds

基于扩展互质阵的相干信号低复杂度DOA估计: 《火控雷达技术》2025年第1期67-72,78,共7页曹泽坤张一鸣张国炜邱天; 针对相同阵元规模条件下均匀线阵阵列孔径小、测向精度低和分辨力差,以及现有稀疏阵列波达方向(Direction-of-Arrival,DOA)估计算法大多基于非相干信源假设的问题,,本文提出了一种基于扩展互质阵的协方差矩阵重构方法。该方法首先对向...; 关键词：DOA估计稀疏阵列相干信号 Hermitian Toeplitz矩阵 MUSIC算法

有关共轭点和对称共轭点的星像函数逆函数的Hermitian Toeplitz行列式: 《曲阜师范大学学报(自然科学版)》2025年第1期50-54,共5页郭栋李宗涛; 安徽省高校自然科学基金(KJ2018A0833,KJ2020A0993,KJ2020ZD74).; S_(c)^(*)和S_(sc)^(*)分别称为有关共轭点的星像函数类、有关对称共轭点的星像函数类,得到了其逆函数的Hermitian Toeplitz行列式的估计.; 关键词：Hermitian Toeplitz矩阵单叶函数有关共轭点的星像函数有关对称共轭点的星像函数类逆函数

几类量子BCH码的构造被引量：1: 《四川师范大学学报（自然科学版）》2024年第5期689-695,共7页蒲可莉廖群英; 国家自然科学基金(12071321);四川省科技计划资助项目(23ZYZYTS0335)。; 量子纠错码可以有效地克服量子消相干,是实现量子计算的关键技术.量子纠错码可以利用满足特定关系的经典纠错码来进行构造.BCH码作为一类距离可设计的特殊循环码,具有很好的代数结构,所以可以用来构造量子BCH码.首先给出有限域F_(q)(q...; 关键词：分圆陪集 CSS构造 Steane构造 Hermitian构造量子BCH码

The prescribed Gauduchon scalar curvature problem in almost Hermitian geometry: 《Science China Mathematics》2024年第10期2357-2372,共16页Yuxuan Li Wubin Zhou Xianchao Zhou; supported by National Natural Science Foundation of China(Grant No.11701426);supported by National Natural Science Foundation of China(Grant No.11501505)。; In this paper,we consider the prescribed Gauduchon scalar curvature problem on almost Hermitian manifolds.By deducing the expression of the Gauduchon scalar curvature under the conformal variation,we reduce the proble...; 关键词：almost Hermitian manifold Gauduchon connection prescribed scalar curvature problem

张量方程A*_(N)X=B的Hermitian解与半正定解: 《重庆师范大学学报（自然科学版）》2023年第6期1-6,共6页刘喜富蒋玲; 重庆市自然科学基金(No.cstc2021jcyj-msxmX0195);重庆市教育委员会科技项目(No.KJQN202100505)。; 在张量的Einstein积下分别研究了张量方程A*_(N)X=B的Hermitian解与半正定解。根据方程解的结构,分别求得方程的特解与对应齐次方程的通解。并给出了这两种解存在的充要条件及通解的显式表达式。张量方程的Hermitian解与半正定解存在的...; 关键词：张量方程 Einstein积半正定解 Hermitian解

四元数矩阵方程最小二乘Toeplitz解的半张量积方法: 《兰州理工大学学报》2023年第6期154-159,共6页闫立梅赵琳琳丁文旭李莹范洪彪; 山东省自然科学基金(ZR2020MA053)。; 研究了四元数矩阵方程■的最小二乘Toeplitz解和Hermitian Toeplitz解的问题.联合使用四元数矩阵的实向量表示方法和矩阵的半张量积方法,将所研究的问题转化为实矩阵方程.根据Toeplitz矩阵以及Hermitian Toeplitz矩阵的结构特征,提取了...; 关键词：四元数矩阵方程矩阵半张量积最小二乘Toeplitz解最小二乘Hermitian Toeplitz解

IMPLICIT DETERMINANT METHOD FOR SOLVING AN HERMITIAN EIGENVALUE OPTIMIZATION PROBLEM: 《Journal of Computational Mathematics》2023年第6期1117-1136,共20页Siru Gong Yangfeng Su; supported by the China NSF Project (No.11971122)。; Implicit determinant method is an effective method for some linear eigenvalue optimization problems since it solves linear systems of equations rather than eigenpairs.In this paper,we generalize the implicit determina...; 关键词：Eigenvalue optimization Multiple eigenvalue Non-smooth optimization Implicit determinant method Crawford number

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