Four-dimensional Osserman metrics of neutral signature

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dc.creatorGarcia-Rio, E.
dc.creatorGilkey, P.
dc.creatorVazquez-Abal, M. E.
dc.creatorVazquez-Lorenzo, R.
dc.date2008-04-02
dc.date.accessioned2026-07-07T09:30:04Z
dc.date.available2026-07-07T09:30:04Z
dc.descriptionIn the algebraic context, we show that null Osserman, spacelike Osserman, and timelike Osserman are equivalent conditions for a model of signature (2,2). We also classify the null Jordan Osserman models of signature (2,2). In the geometric context, we show that a pseudo-Riemannian manifold of signature (2,2) is null Jordan Osserman if and only if either it has constant sectional curvature or it is locally a complex space form.
dc.identifierhttps://arxiv.org/abs/0804.0436
dc.identifierhttp://arxiv.org/abs/0804.0436
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/158011
dc.subjectDifferential Geometry
dc.subject53C20
dc.titleFour-dimensional Osserman metrics of neutral signature
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