Arun K. Bhardwaj, Javad Mashreghi, R. K. Srivastava
{"title":"Hilbert Transform, Nevanlinna Class and Toeplitz Kernels","authors":"Arun K. Bhardwaj, Javad Mashreghi, R. K. Srivastava","doi":"10.1007/s11785-024-01521-5","DOIUrl":null,"url":null,"abstract":"<p>In this article we obtain an explicit formula for the Hilbert transform of <span>\\(\\log |f|,\\)</span> for the function <i>f</i> in Nevanlinna class having continuous extension to the real line. This family is the largest possible for which such a formula for the Hilbert transform of <span>\\(\\log |f|,\\)</span> can be obtained. The formula is very general and implies several previously known results.</p>","PeriodicalId":50654,"journal":{"name":"Complex Analysis and Operator Theory","volume":"100 1","pages":""},"PeriodicalIF":0.7000,"publicationDate":"2024-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Complex Analysis and Operator Theory","FirstCategoryId":"100","ListUrlMain":"https://doi.org/10.1007/s11785-024-01521-5","RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATHEMATICS","Score":null,"Total":0}
引用次数: 0
Abstract
In this article we obtain an explicit formula for the Hilbert transform of \(\log |f|,\) for the function f in Nevanlinna class having continuous extension to the real line. This family is the largest possible for which such a formula for the Hilbert transform of \(\log |f|,\) can be obtained. The formula is very general and implies several previously known results.
期刊介绍:
Complex Analysis and Operator Theory (CAOT) is devoted to the publication of current research developments in the closely related fields of complex analysis and operator theory as well as in applications to system theory, harmonic analysis, probability, statistics, learning theory, mathematical physics and other related fields. Articles using the theory of reproducing kernel spaces are in particular welcomed.