{"title":"Representations of real numbers by alternating Perron series and their geometry","authors":"Mykola Moroz","doi":"10.1016/j.exmath.2024.125635","DOIUrl":null,"url":null,"abstract":"<div><div>We consider the representation of real numbers by alternating Perron series (<span><math><msup><mrow><mi>P</mi></mrow><mrow><mo>−</mo></mrow></msup></math></span>-representation), which is a generalization of representations of real numbers by Ostrogradsky–Sierpiński–Pierce series (Pierce series), alternating Sylvester series (second Ostrogradsky series), alternating Lüroth series, etc. Namely, we prove the basic topological and metric properties of <span><math><msup><mrow><mi>P</mi></mrow><mrow><mo>−</mo></mrow></msup></math></span>-representation and find the relationship between <span><math><mi>P</mi></math></span>-representation and <span><math><msup><mrow><mi>P</mi></mrow><mrow><mo>−</mo></mrow></msup></math></span>-representation in some measure theory problems.</div></div>","PeriodicalId":50458,"journal":{"name":"Expositiones Mathematicae","volume":"43 1","pages":"Article 125635"},"PeriodicalIF":0.8000,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Expositiones Mathematicae","FirstCategoryId":"100","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0723086924001026","RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATHEMATICS","Score":null,"Total":0}
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Abstract
We consider the representation of real numbers by alternating Perron series (-representation), which is a generalization of representations of real numbers by Ostrogradsky–Sierpiński–Pierce series (Pierce series), alternating Sylvester series (second Ostrogradsky series), alternating Lüroth series, etc. Namely, we prove the basic topological and metric properties of -representation and find the relationship between -representation and -representation in some measure theory problems.
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