A fixed point theorem without convexity

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dc.contributor.author Ben-El-Mechaiekh, H.
dc.contributor.author Chebbi, S.
dc.contributor.author Florenzano, M.
dc.contributor.author Llinares, J.V.
dc.contributor.editor Universidad Carlos III de Madrid. Departamento de Economía
dc.date.accessioned 2009-12-14T10:14:59Z
dc.date.available 2009-12-14T10:14:59Z
dc.date.issued 1997-04
dc.identifier.issn 2340-5031
dc.identifier.uri http://hdl.handle.net/10016/6022
dc.description.abstract The purpose of this paper is to extend Himmelberg's fixed point theorem replacing the usual convexity in topological vector spaces by an abstract topological notion of convexity which generalizes classical convexity as well as several metric convexity structures found in the literature. We prove the existence, under weak hypotheses, of a fixed point for a compact approachable map and we provide sufficient conditions under which this result applies to maps whose values are convex in the abstract sense mentionned above.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.relation.ispartofseries UC3M Working papers. Economics
dc.relation.ispartofseries 1997-22-11
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.other Fixed point theorems
dc.subject.other Generalized convexity
dc.subject.other Compact correspondences
dc.subject.other Approachable correspondences
dc.title A fixed point theorem without convexity
dc.type workingPaper
dc.subject.eciencia Economía
dc.rights.accessRights openAccess
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