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Norm-attaining composition operators on Lipschitz spaces
dc.contributor.author | Jiménez Vargas, Antonio | |
dc.date.accessioned | 2024-05-22T09:23:05Z | |
dc.date.available | 2024-05-22T09:23:05Z | |
dc.date.issued | 2028-05-28 | |
dc.identifier.citation | Taiwanese J. Math. 23 (2019), no. 1, 129–144 | es_ES |
dc.identifier.issn | 1027-5487 | |
dc.identifier.uri | http://hdl.handle.net/10835/16515 | |
dc.description.abstract | Every composition operator C_{\varphi} on the Lipschitz space Lip_0(X) attains its norm. This fact is essentially known and we give in this paper a sequential characterization of the extremal functions for the norm of C_{\varphi} on Lip_0(X). We also characterize the norm-attaining composition operators C_{\varphi} on the little Lipschitz space lip_0(X) which separates points uniformly and identify the extremal functions for the norm of C_{\varphi} on lip_0(X). We deduce that compact composition operators on lip_0(X) are norm-attaining whenever the sphere unit of lip_0(X) separates points uniformly. In particular, this condition is satisfi ed by spaces of little Lipschitz functions on Hölder compact metric spaces (X,d^{\alpha}) with 0<\alpha<1. | es_ES |
dc.language.iso | en | es_ES |
dc.publisher | Mathematical Society of the Republic of China (Taiwan) | es_ES |
dc.rights | Attribution-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nd/4.0/ | * |
dc.subject | Composition operator | es_ES |
dc.subject | Compact operator | es_ES |
dc.subject | Norm-attaining operator | es_ES |
dc.subject | Lipschitz function | es_ES |
dc.subject | Little Lipschitz function | es_ES |
dc.title | Norm-attaining composition operators on Lipschitz spaces | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.relation.publisherversion | DOI: 10.11650/tjm/180508 | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MTM2014-58984-P | es_ES |