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Integral Equations and Operator Theory最新文献

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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
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
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":"94 1","pages":""},"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 1 3区 数学
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
{"title":"<ArticleTitle xmlns:ns0=\"http://www.w3.org/1998/Math/MathML\">Spectral Transition for Dirac Operators with Electrostatic <ns0:math><ns0:mi>δ</ns0:mi></ns0:math> -Shell Potentials Supported on the Straight Line.","authors":"Jussi Behrndt, Markus Holzmann, Matěj Tušek","doi":"10.1007/s00020-022-02711-6","DOIUrl":"10.1007/s00020-022-02711-6","url":null,"abstract":"<p><p>In this note the two dimensional Dirac operator <math><msub><mi>A</mi> <mi>η</mi></msub> </math> with an electrostatic <math><mi>δ</mi></math> -shell interaction of strength <math><mrow><mi>η</mi> <mo>∈</mo> <mi>R</mi></mrow> </math> supported on a straight line is studied. We observe a spectral transition in the sense that for the critical interaction strengths <math><mrow><mi>η</mi> <mo>=</mo> <mo>±</mo> <mn>2</mn></mrow> </math> the continuous spectrum of <math><msub><mi>A</mi> <mi>η</mi></msub> </math> inside the spectral gap of the free Dirac operator <math><msub><mi>A</mi> <mn>0</mn></msub> </math> collapses abruptly to a single point.</p>","PeriodicalId":13658,"journal":{"name":"Integral Equations and Operator Theory","volume":"94 3","pages":"33"},"PeriodicalIF":1.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9427928/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40351255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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
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
{"title":"Reproducing Kernel Hilbert Spaces of Polyanalytic Functions of Infinite Order","authors":"D. Alpay, F. Colombo, K. Diki, I. Sabadini","doi":"10.1007/s00020-022-02713-4","DOIUrl":"https://doi.org/10.1007/s00020-022-02713-4","url":null,"abstract":"","PeriodicalId":13658,"journal":{"name":"Integral Equations and Operator Theory","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42581572","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
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
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":"95 1","pages":""},"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
Atomic and Wavelet Characterization of Musielak–Orlicz Hardy Spaces for Generalized Orlicz Functions 广义Orlicz函数的Musielak-Orlicz Hardy空间的原子和小波表征
IF 0.8 3区 数学
Integral Equations and Operator Theory Pub Date : 2021-12-17 DOI: 10.1007/s00020-021-02672-2
M. Izuki, E. Nakai, Y. Sawano
{"title":"Atomic and Wavelet Characterization of Musielak–Orlicz Hardy Spaces for Generalized Orlicz Functions","authors":"M. Izuki, E. Nakai, Y. Sawano","doi":"10.1007/s00020-021-02672-2","DOIUrl":"https://doi.org/10.1007/s00020-021-02672-2","url":null,"abstract":"","PeriodicalId":13658,"journal":{"name":"Integral Equations and Operator Theory","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45239028","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: 5
Volterra-Type Discrete Integral Equations and Spectra of Non-self-adjoint Jacobi Operators 非自伴随Jacobi算子的volterra型离散积分方程和谱
IF 0.8 3区 数学
Integral Equations and Operator Theory Pub Date : 2021-11-27 DOI: 10.1007/s00020-021-02679-9
L. Golinskii
{"title":"Volterra-Type Discrete Integral Equations and Spectra of Non-self-adjoint Jacobi Operators","authors":"L. Golinskii","doi":"10.1007/s00020-021-02679-9","DOIUrl":"https://doi.org/10.1007/s00020-021-02679-9","url":null,"abstract":"","PeriodicalId":13658,"journal":{"name":"Integral Equations and Operator Theory","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45391335","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: 0
Unbounded Bergman Projections on Weighted Spaces with Respect to Exponential Weights 加权空间上关于指数权重的无界Bergman投影
IF 0.8 3区 数学
Integral Equations and Operator Theory Pub Date : 2021-11-18 DOI: 10.1007/s00020-021-02680-2
J. Bonet, W. Lusky, J. Taskinen
{"title":"Unbounded Bergman Projections on Weighted Spaces with Respect to Exponential Weights","authors":"J. Bonet, W. Lusky, J. Taskinen","doi":"10.1007/s00020-021-02680-2","DOIUrl":"https://doi.org/10.1007/s00020-021-02680-2","url":null,"abstract":"","PeriodicalId":13658,"journal":{"name":"Integral Equations and Operator Theory","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45164811","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: 3
Operators Which Preserve a Positive Definite Inner Product 保持正定内积的算子
IF 0.8 3区 数学
Integral Equations and Operator Theory Pub Date : 2021-10-19 DOI: 10.1007/s00020-022-02709-0
E. Andruchow
{"title":"Operators Which Preserve a Positive Definite Inner Product","authors":"E. Andruchow","doi":"10.1007/s00020-022-02709-0","DOIUrl":"https://doi.org/10.1007/s00020-022-02709-0","url":null,"abstract":"","PeriodicalId":13658,"journal":{"name":"Integral Equations and Operator Theory","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46433452","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: 0
Spectra for Toeplitz Operators Associated with a Constrained Subalgebra 与约束子代数相关的Toeplitz算子的谱
IF 0.8 3区 数学
Integral Equations and Operator Theory Pub Date : 2021-10-12 DOI: 10.1007/s00020-022-02700-9
Christopher Felder, Douglas T. Pfeffer, Benjamin P. Russo
{"title":"Spectra for Toeplitz Operators Associated with a Constrained Subalgebra","authors":"Christopher Felder, Douglas T. Pfeffer, Benjamin P. Russo","doi":"10.1007/s00020-022-02700-9","DOIUrl":"https://doi.org/10.1007/s00020-022-02700-9","url":null,"abstract":"","PeriodicalId":13658,"journal":{"name":"Integral Equations and Operator Theory","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45300645","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: 0
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