On Coarse Isometries and Linear Isometries between Banach Spaces

Autor: Yuqi Sun
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Axioms, Vol 13, Iss 3, p 157 (2024)
Druh dokumentu: article
ISSN: 2075-1680
DOI: 10.3390/axioms13030157
Popis: Let X,Y be two Banach spaces and f:X→Y be a standard coarse isometry. In this paper, we first show a sufficient and necessary condition for the coarse left-inverse operator of general Banach spaces to admit a linearly isometric right inverse. Furthermore, by using the well-known simultaneous extension operator, we obtain an asymptotical stability result when Y is a space of continuous functions. In addition, we also prove that every coarse left-inverse operator does admit a linear isometric right inverse without other assumptions when Y is a Lp(1
Databáze: Directory of Open Access Journals
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