{"title":"Summability","authors":"","doi":"10.1017/9781139524445.016","DOIUrl":"https://doi.org/10.1017/9781139524445.016","url":null,"abstract":". In this note we show that the Taylor series of a function in a weighted Dirichlet space is (generalized) N¨orlund summable, provided that the sequence determining the N¨orlund operator is non-decreasing and has finite upper growth rate. In particular the Taylor series is N¨orlund summable for all α > 1 / 2, and the rate of convergence is of the order O ( n − 1 / 2 ). The inequality α > 1 / 2 is sharp. On the other hand if the Taylor series is N¨orlund summable and the partial sums of the determining sequence enjoy a certain growth condition then the determining sequence has finite lower growth rate. An analogue result is derived for a non-increasing sequence that is uniformly bounded away from zero.","PeriodicalId":278068,"journal":{"name":"Classical and Discrete Functional Analysis with Measure Theory","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130680784","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Matrix Maps, Multipliers, and Duality","authors":"","doi":"10.1017/9781139524445.015","DOIUrl":"https://doi.org/10.1017/9781139524445.015","url":null,"abstract":"","PeriodicalId":278068,"journal":{"name":"Classical and Discrete Functional Analysis with Measure Theory","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122672884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Metric and Normed Spaces","authors":"A. Kolmogorov, S. Fomin, L. Boron","doi":"10.1017/9781139524445.009","DOIUrl":"https://doi.org/10.1017/9781139524445.009","url":null,"abstract":"","PeriodicalId":278068,"journal":{"name":"Classical and Discrete Functional Analysis with Measure Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130986171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}