Complete Homogeneous Riemannian Manifolds of Negative Sectional Curvature.
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Su-Shing Chen (1975)
Commentarii mathematici Helvetici
Kim, Hyang Sook, Pyo, Yong-Soo (1999)
Balkan Journal of Geometry and its Applications (BJGA)
Dussan, Martha, Magid, Martin (2006)
Balkan Journal of Geometry and its Applications (BJGA)
J. Hilgert, Karl-Hermann Neeb (1995)
Monatshefte für Mathematik
Sharma, Ramesh (1989)
International Journal of Mathematics and Mathematical Sciences
Giovanni Calvaruso (2010)
Archivum Mathematicum
We study conformally flat Lorentzian three-manifolds which are either semi-symmetric or pseudo-symmetric. Their complete classification is obtained under hypotheses of local homogeneity and curvature homogeneity. Moreover, examples which are not curvature homogeneous are described.
Giovanni Calvaruso (2006)
Czechoslovak Mathematical Journal
We give the complete classification of conformally flat pseudo-symmetric spaces of constant type.
Giovanni Calvaruso (2005)
Archivum Mathematicum
We obtain the complete classification of conformally flat semi-symmetric spaces.
Rešić, S., Antonevich, A.B., Dolićanin, Ć. (2007)
Novi Sad Journal of Mathematics
Casadio Tarabusi, Enrico, Cohen, Joel M., Korányi, Adam, Picardello, Massimo A. (1998)
Journal of Lie Theory
Ch. L. Terng (1986)
Inventiones mathematicae
Andreas Arvanitoyeorgos (1996)
Commentationes Mathematicae Universitatis Carolinae
F. Tricerri, L. Vanhecke (1989)
Annales scientifiques de l'École Normale Supérieure
Ryszard Deszcz, Sahnur Yaprak (1994)
Colloquium Mathematicae
D. Ferus, E. Pedit (1996)
Manuscripta mathematica
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