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Please use this identifier to cite or link to this item: http://uvadoc.uva.es/handle/10324/33638
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dc.contributor.authorBallesteros, A.-
dc.contributor.authorMeusburger, C.-
dc.contributor.authorNaranjo, P.-
dc.date.accessioned2018-12-27T16:37:42Z-
dc.date.available2018-12-27T16:37:42Z-
dc.date.issued2017-
dc.identifier.citationJournal of Physics A: Mathematical and Theoretical, vol. 50 (2017) 395202es
dc.identifier.urihttp://uvadoc.uva.es/handle/10324/33638-
dc.descriptionProducción Científicaes
dc.description.abstractThe correspondence between Poisson homogeneous spaces over a Poisson-Lie group G and Lagrangian Lie subalgebras of the classical double D(g) is revisited and explored in detail for the case in which g = D(a) is a classical double itself. We apply these results to give an explicit description of some coisotropic 2d Poisson homogeneous spaces over the group SL(2,R) ∼= SO(2, 1), namely 2d anti de Sitter space, 2d hyperbolic space and the lightcone in 3d Minkowski space. We show how each of these spaces is obtained as a quotient with respect to a Poisson-subgroup for one of the three inequivalent Lie bialgebra structures on sl(2,R) and as a coisotropic one for the others. We then construct families of coisotropic Poisson homogeneous structures for 3d anti de Sitter space AdS3 and show that the ones that are quotients by a Poisson subgroup are determined by a three-parameter family of classical r-matrices for so(2, 2), while the non Poisson-subgroup cases are much more numerous. In particular, we present the two Poisson homogeneous structures on AdS3 that arise from two Drinfel’d double structures on SO(2, 2). The first one realises AdS3 as a quotient of SO(2, 2) by the Poisson-subgroup SL(2,R), while the second one, the non-commutative spacetime of the twisted κ-AdS deformation, realises AdS3 as a coisotropic Poisson homogeneous space.es
dc.format.mimetypeapplication/pdfes
dc.language.isoenges
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.titleAdS Poisson homogeneous spaces and Drinfel’d doubleses
dc.typeinfo:eu-repo/semantics/articlees
dc.identifier.publicationfirstpage395202es
dc.peerreviewedSIes
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