{"title":"Enveloping balls of Szlenk derivations","authors":"Tomasz Kochanek, Marek Miarka","doi":"10.1016/j.indag.2024.08.007","DOIUrl":null,"url":null,"abstract":"<div><div>For Banach spaces with a shrinking FDD, we provide estimates for the radii of the enveloping balls of the <span><math><mi>ɛ</mi></math></span>-Szlenk derivations of the dual unit ball.</div></div>","PeriodicalId":56126,"journal":{"name":"Indagationes Mathematicae-New Series","volume":"36 3","pages":"Pages 797-805"},"PeriodicalIF":0.5000,"publicationDate":"2024-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Indagationes Mathematicae-New Series","FirstCategoryId":"100","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0019357724001046","RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATHEMATICS","Score":null,"Total":0}
引用次数: 0
Abstract
For Banach spaces with a shrinking FDD, we provide estimates for the radii of the enveloping balls of the -Szlenk derivations of the dual unit ball.
期刊介绍:
Indagationes Mathematicae is a peer-reviewed international journal for the Mathematical Sciences of the Royal Dutch Mathematical Society. The journal aims at the publication of original mathematical research papers of high quality and of interest to a large segment of the mathematics community. The journal also welcomes the submission of review papers of high quality.