The Virasoro group and the fourth geometry of Poincaré

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dc.creatorDuval, C.
dc.creatorGuieu, L.
dc.date1998-06-24
dc.date.accessioned2026-07-07T05:25:11Z
dc.date.available2026-07-07T05:25:11Z
dc.descriptionWe investigate, in some details, symplectic equivalence between several conformal classes of Lorentz metrics on the hyperboloid of one sheet $H^{1,1} \cong T \times T - Δ$ and affine coadjoint orbits of the group $Diff_+(Δ)$ of orientation preserving diffeomorphisms of $Δ\cong T$ with its natural projective structure. This will allow for generalizations, namely, to the case of arbitrary projective structures on null infinity.
dc.description27 pages, LaTeX
dc.identifierhttps://arxiv.org/abs/math/9806135
dc.identifierhttp://arxiv.org/abs/math/9806135
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/77086
dc.subjectDifferential Geometry
dc.subjectSymplectic Geometry
dc.titleThe Virasoro group and the fourth geometry of Poincaré
dc.typetext

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