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Extreme points in Lipschitz-free spaces over compact metric spaces

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Extreme points in Lipschitz-free spaces over compact metric spaces

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dc.contributor.author Aliaga, Ramón J. es_ES
dc.date.accessioned 2023-06-26T18:01:19Z
dc.date.available 2023-06-26T18:01:19Z
dc.date.issued 2022-02 es_ES
dc.identifier.issn 1660-5446 es_ES
dc.identifier.uri http://hdl.handle.net/10251/194555
dc.description.abstract [EN] We prove that all extreme points of the unit ball of a Lipschitz-free space over a compact metric space have finite support. Combined with previous results, this completely characterizes extreme points and implies that all of them are also extreme points in the bidual ball. For the proof, we develop some properties of an integral representation of functionals on Lipschitz spaces originally due to K. de Leeuw. es_ES
dc.description.sponsorship We wish to thank Eva Pernecka and the anonymous referee for many suggestions and corrections to the original manuscript. The author was partially supported by the Spanish Ministry of Economy, Industry and Competitiveness under Grant MTM2017-83262-C2-2-P. es_ES
dc.language Inglés es_ES
dc.publisher Springer-Verlag es_ES
dc.relation.ispartof Mediterranean Journal of Mathematics es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Lipschitz-free space es_ES
dc.subject Extreme point es_ES
dc.subject De Leeuw map es_ES
dc.subject.classification TECNOLOGIA ELECTRONICA es_ES
dc.title Extreme points in Lipschitz-free spaces over compact metric spaces es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1007/s00009-021-01941-z es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MTM2017-83262-C2-2-P/ES/LA INTERACCION ENTRE GEOMETRIA Y TOPOLOGIA EN ESPACIOS DE BANACH. APLICACIONES/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingenieros de Telecomunicación - Escola Tècnica Superior d'Enginyers de Telecomunicació es_ES
dc.description.bibliographicCitation Aliaga, RJ. (2022). Extreme points in Lipschitz-free spaces over compact metric spaces. Mediterranean Journal of Mathematics. 19(1):1-12. https://doi.org/10.1007/s00009-021-01941-z es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1007/s00009-021-01941-z es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 12 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 19 es_ES
dc.description.issue 1 es_ES
dc.relation.pasarela S\454402 es_ES
dc.contributor.funder Ministerio de Economía, Industria y Competitividad es_ES
dc.description.references Aliaga, R.J., Gartland, C., Petitjean, C., Procházka, A.: Purely 1-unrectifiable metric spaces and locally flat Lipschitz functions. Trans. Amer. Math. Soc. (to appear) es_ES
dc.description.references Aliaga, R.J., Guirao, A.J.: On the preserved extremal structure of Lipschitz-free spaces. Studia Math. 245, 1–14 (2019). ((paper preprint)) es_ES
dc.description.references Aliaga, R.J., Pernecká, E.: Integral representation and supports of functionals on Lipschitz spaces. Int. Math. Res. Not. (to appear; https://doi.org/10.1093/imrn/rnab329) es_ES
dc.description.references Aliaga, R.J., Pernecká, E.: Supports and extreme points in Lipschitz-free spaces. Rev. Mat. Iberoam. 36(7), 2073–2089 (2020). ((paper preprint)) es_ES
dc.description.references Aliaga, R.J., Pernecká, E., Petitjean, C., Procházka, A.L.: Supports in Lipschitz-free spaces and applications to extremal structure. J. Math. Anal. Appl. 489, 124128 (2020). ((paper preprint)) es_ES
dc.description.references Aliaga, R.J., Petitjean, C., Procházka, A.: Embeddings of Lipschitz-free spaces into $$\ell _1$$. J. Funct. Anal. 280(6), 108916 (2021). ((paper preprint)) es_ES
dc.description.references Bogachev, V.I.: Measure Theory. Springer, Berlin (2007) es_ES
dc.description.references de Leeuw, K.: Banach spaces of Lipschitz functions. Studia Math. 21, 55–66 (1961). ((paper)) es_ES
dc.description.references García-Lirola, L., Petitjean, C., Procházka, A., and Rueda Zoca, A.: Extremal structure and duality of Lipschitz free spaces. Mediterr. J. Math. 15(2), art. 69 (2018) (paper preprint) es_ES
dc.description.references García-Lirola, L., Procházka, A., Rueda Zoca, A.: A characterisation of the Daugavet property in spaces of Lipschitz functions. J. Math. Anal. Appl. 464(1), 473–492 (2018). ((paper preprint)) es_ES
dc.description.references Godefroy, G.: A survey on Lipschitz-free Banach spaces. Comment. Math. 55, 89–118 (2015). ((paper)) es_ES
dc.description.references Weaver, N.: Isometries of noncompact Lipschitz spaces. Can. Math. Bull. 38, 242–249 (1995). ((paper)) es_ES
dc.description.references Weaver, N.: Lipschitz Algebras, 2nd edn. World Scientific Publishing Co., River Edge (2018) es_ES


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