We define a quarter symmetric metric connection in an almost $r$-paracontact Riemannian manifold and we consider invariant, non-invariant and anti-invariant hypersurfaces of an almost $r$-paracontact Riemannian manifold endowed with a quarter symmetric metric connection.
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机译:我们在几乎$ r $平行接触的黎曼流形中定义了四分之一对称度量连接,并考虑了具有$ 1/4对称接触的黎曼流形的几乎$ r $平行接触黎曼流形的不变,非不变和反不变超曲面。
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