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On almost geodesic mappings $$\pi_2$$ between semisymmetric Riemannian spaces. (English) Zbl 1012.53015
The authors consider special almost geodesic mappings of semisymmetric Riemannian spaces onto semisymmetric Riemannian spaces and prove that in this case the semisymmetric spaces have to be symmetric in the sense of Cartan.

MSC:
 53B20 Local Riemannian geometry 53B30 Local differential geometry of Lorentz metrics, indefinite metrics
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