We study a second-order parallel symmetric tensor in an 𝒮-manifold and show that there is no semiparallel hypersurface in the 𝒮-space forms \( {\tilde{M}}^{2n+s}(c) \) with c ≠ s.
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Published in Ukrains’kyi Matematychnyi Zhurnal, Vol. 71, No. 10, pp. 1422–1429, October, 2019.
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Belkhelfa, M., Mahi, F. Second-Order Parallel Tensors on 𝒮-Manifolds and Semiparallel Hypersurfaces of 𝒮-Space Forms. Ukr Math J 71, 1627–1635 (2020). https://doi.org/10.1007/s11253-020-01735-8
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DOI: https://doi.org/10.1007/s11253-020-01735-8