{"title":"An optimization problem and point-evaluation in Paley-Wiener spaces","authors":"Sarah May Instanes","doi":"arxiv-2409.11963","DOIUrl":null,"url":null,"abstract":"We study the constant $\\mathscr{C}_p$ defined as the smallest constant $C$\nsuch that $|f(0)|^p \\leq C\\|f\\|_p^p$ holds for every function $f$ in the\nPaley-Wiener space $PW^p$. Brevig, Chirre, Ortega-Cerd\\`a, and Seip have\nrecently shown that $\\mathscr{C}_p<p/2$ for all $p>2$. We improve this bound\nfor $2<p \\leq 5$ by solving an optimization problem.","PeriodicalId":501036,"journal":{"name":"arXiv - MATH - Functional Analysis","volume":"14 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - MATH - Functional Analysis","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2409.11963","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We study the constant $\mathscr{C}_p$ defined as the smallest constant $C$
such that $|f(0)|^p \leq C\|f\|_p^p$ holds for every function $f$ in the
Paley-Wiener space $PW^p$. Brevig, Chirre, Ortega-Cerd\`a, and Seip have
recently shown that $\mathscr{C}_p