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dc.contributor.authorBaues, Hans Joachim-
dc.contributor.authorPirashvili, Teimuraz-
dc.date.accessioned2023-02-14T08:19:35Z-
dc.date.available2023-02-14T08:19:35Z-
dc.date.issued2005-
dc.identifier.issn0213-8743-
dc.identifier.urihttp://hdl.handle.net/10662/16788-
dc.description.abstractSquare groups are gadgets classifying quadratic endofunctors of the category of groups. Applying such a functor to the Kan simplicial loop group of the 2-dimensional sphere one obtains a one-connected three-type. We consider the problem of characterization of those three-types 𝑋 which can be obtained in this way. We solve this problem in some cases, including the case when π₂(𝑋) is a finitely generated abelian group. The corresponding stable problem is solved completely.es_ES
dc.description.sponsorshipThe second author was supported by Alexander von Humbolt foundation and DFG at University of Bielefeld.es_ES
dc.format.extent38 p.es_ES
dc.format.mimetypeapplication/pdfen_US
dc.language.isoenges_ES
dc.publisherUniversidad de Extremadura, Servicio de Publicacioneses_ES
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectEspacios asociadoses_ES
dc.subjectEndofuntores cuadráticoses_ES
dc.subjectCategoría de gruposes_ES
dc.subjectSpaces associatedes_ES
dc.subjectQuadratic endofunctorses_ES
dc.subjectCategory of groupses_ES
dc.titleSpaces associated to quadratic endofunctors of the category of groupses_ES
dc.typearticlees_ES
dc.description.versionpeerReviewedes_ES
europeana.typeTEXTen_US
dc.rights.accessRightsopenAccesses_ES
dc.subject.unesco1201 Álgebraes_ES
dc.subject.unesco1201.07 Álgebra Homológicaes_ES
europeana.dataProviderUniversidad de Extremadura. Españaes_ES
dc.identifier.bibliographicCitationBAUES, H.J. y PIRASHVILI, T. (2005). Spaces associated to quadratic endofunctors of the category of groups. Extracta Mathematicae, 20 (2), 99-136. E-ISSN 2605-5686es_ES
dc.type.versionpublishedVersiones_ES
dc.contributor.affiliationRazmadze Mathematical Institute. Georgiaes_ES
dc.identifier.publicationtitleExtracta Mathematicaees_ES
dc.identifier.publicationissue2es_ES
dc.identifier.publicationfirstpage99es_ES
dc.identifier.publicationlastpage136es_ES
dc.identifier.publicationvolume20es_ES
dc.identifier.e-issn2605-5686-
Colección:Extracta Mathematicae Vol. 20, nº 2 (2005)

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