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Infinitesimally Lipschitz functions on metric spaces

dc.contributor.authorDurand-Cartagena, Estibalitz
dc.contributor.authorJaramillo Aguado, Jesús Ángel
dc.date.accessioned2023-06-19T13:28:05Z
dc.date.available2023-06-19T13:28:05Z
dc.date.issued2013
dc.description.abstractFor a metric space X, we study the space D∞(X) of bounded functions on X whose infinitesimal Lipschitz constant is uniformly bounded. D∞(X) is compared with the space LIP∞(X) of bounded Lipschitz functions on X, in terms of different properties regarding the geometry of X. We also obtain a Banach-Stone theorem in this context. In the case of a metric measure space, we also compare D∞(X) with the Newtonian-Sobolev space N1,∞(X). In particular, if X supports a doubling measure and satisfies a local Poincaré inequality, we obtain that D∞(X) = N1,∞(X).
dc.description.departmentDepto. de Análisis Matemático y Matemática Aplicada
dc.description.facultyFac. de Ciencias Matemáticas
dc.description.refereedFALSE
dc.description.sponsorshipDGES (Spain)
dc.description.statusunpub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/28383
dc.identifier.officialurlhttp://arxiv.org/pdf/0901.3236v1.pdf
dc.identifier.relatedurlhttp://arxiv.org
dc.identifier.urihttps://hdl.handle.net/20.500.14352/33788
dc.journal.titlePreprint
dc.language.isoeng
dc.relation.projectIDMTM2006-03531
dc.rights.accessRightsopen access
dc.subject.cdu517.9
dc.subject.ucmAnálisis funcional y teoría de operadores
dc.titleInfinitesimally Lipschitz functions on metric spaces
dc.typejournal article
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