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Integral Equations and Operator Theory最新文献

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Feynman’s Operational Calculus with Arbitrary Measures: An Evolution Equation in the General Case and Examples 费曼任意测度算子:一个一般情况下的演化方程及其实例
IF 0.8 3区 数学 Q2 Mathematics
Integral Equations and Operator Theory
Pub Date : 2022-04-16 DOI: 10.1007/s00020-022-02694-4
L. Nielsen
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引用次数: 1
Norms of Basic Operators in Vector Valued Model Spaces and de Branges Spaces 向量值模型空间和de brange空间中基本算子的范数
IF 0.8 3区 数学 Q2 Mathematics
Integral Equations and Operator Theory
Pub Date : 2022-03-11 DOI: 10.1007/s00020-022-02719-y
Kousik Dhara, H. Dym
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引用次数: 0
Commutative Algebras of Toeplitz Operators on the Bergman Space Revisited: Spectral Theorem Approach Bergman空间上Toeplitz算子的交换代数:谱定理方法
IF 0.8 3区 数学 Q2 Mathematics
Integral Equations and Operator Theory
Pub Date : 2022-03-08 DOI: 10.1007/s00020-022-02706-3
G. Rozenblum, N. Vasilevski
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引用次数: 74
Limit Laws for R-diagonal Variables in a Tracial Probability Space 循迹概率空间中r -对角变量的极限律
IF 0.8 3区 数学 Q2 Mathematics
Integral Equations and Operator Theory
Pub Date : 2022-02-21 DOI: 10.1007/s00020-022-02689-1
Cong Zhou
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引用次数: 1
Coupled Domain-Boundary Variational Formulations for Hodge–Helmholtz Operators Hodge-Helmholtz算子的耦合域边界变分公式
IF 0.8 3区 数学 Q2 Mathematics
Integral Equations and Operator Theory
Pub Date : 2022-02-03 DOI: 10.1007/s00020-022-02684-6
Erick Schulz, R. Hiptmair
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引用次数: 2
Random Weighted Shifts on Hilbert Spaces of Analytic Functions 解析函数Hilbert空间上的随机加权移位
IF 0.8 3区 数学 Q2 Mathematics
Integral Equations and Operator Theory
Pub Date : 2022-02-02 DOI: 10.1007/s00020-022-02686-4
Ting Liu, Sen Zhu
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引用次数: 0
Matrix-Valued Truncated Toeplitz Operators: Unbounded Symbols, Kernels and Equivalence After Extension 矩阵值截断Toeplitz算子:无界符号、核和推广后的等价性
IF 0.8 3区 数学 Q2 Mathematics
Integral Equations and Operator Theory
Pub Date : 2022-01-29 DOI: 10.1007/s00020-022-02685-5
Ryan O’Loughlin
{"title":"Matrix-Valued Truncated Toeplitz Operators: Unbounded Symbols, Kernels and Equivalence After Extension","authors":"Ryan O’Loughlin","doi":"10.1007/s00020-022-02685-5","DOIUrl":"https://doi.org/10.1007/s00020-022-02685-5","url":null,"abstract":"","PeriodicalId":13658,"journal":{"name":"Integral Equations and Operator Theory","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2022-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"52032153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Spectral Transition for Dirac Operators with Electrostatic δ -Shell Potentials Supported on the Straight Line. 直线上支持静电δ壳势的Dirac算子的谱跃迁。
IF 0.8 3区 数学 Q2 Mathematics
Integral Equations and Operator Theory
Pub Date : 2022-01-01 Epub Date: 2022-08-30 DOI: 10.1007/s00020-022-02711-6
Jussi Behrndt, Markus Holzmann, Matěj Tušek

In this note the two dimensional Dirac operator A η with an electrostatic δ -shell interaction of strength η ∈ R supported on a straight line is studied. We observe a spectral transition in the sense that for the critical interaction strengths η = ± 2 the continuous spectrum of A η inside the spectral gap of the free Dirac operator A 0 collapses abruptly to a single point.

本文研究了具有强度η∈R的静电δ壳相互作用的二维狄拉克算子A η在直线上的支承。我们观察到在临界相互作用强度η =±2时，自由狄拉克算符a0的谱隙内的a η的连续谱突然坍缩为一个单点。
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引用次数: 4
Reproducing Kernel Hilbert Spaces of Polyanalytic Functions of Infinite Order 无限阶多分析函数的核Hilbert空间的再现
IF 0.8 3区 数学 Q2 Mathematics
Integral Equations and Operator Theory
Pub Date : 2021-12-29 DOI: 10.1007/s00020-022-02713-4
D. Alpay, F. Colombo, K. Diki, I. Sabadini
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引用次数: 2
On the Continuity of Strongly Singular Calderón–Zygmund-Type Operators on Hardy Spaces Hardy空间上强奇异Calderón-Zygmund-Type算子的连续性
IF 0.8 3区 数学 Q2 Mathematics
Integral Equations and Operator Theory
Pub Date : 2021-12-23 DOI: 10.1007/s00020-023-02729-4
T. Picon, Claudio Vasconcelos
{"title":"On the Continuity of Strongly Singular Calderón–Zygmund-Type Operators on Hardy Spaces","authors":"T. Picon, Claudio Vasconcelos","doi":"10.1007/s00020-023-02729-4","DOIUrl":"https://doi.org/10.1007/s00020-023-02729-4","url":null,"abstract":"","PeriodicalId":13658,"journal":{"name":"Integral Equations and Operator Theory","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49127908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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