Articles by Keyword: 53c15

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  1. Second order parallel tensors on some paracontact manifolds

    Second order parallel tensors on some paracontact manifolds

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    The object of the present paper is to study the symmetric and skew-symmetric properties of a second order parallel tensor on paracontact metric (k, µ)-spaces and almost β-para-Kenmotsu (k, µ)-spaces. In this paper, we prove that if there exists a...
  2. Semi-invariant submersions whose total manifolds are locally product Riemannian

    Semi-invariant submersions whose total manifolds are locally product Riemannian

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    We study Riemannian and semi-invariant submersions whose total manifolds are locally product Riemannian. The necessary and sufficient conditions for the integrability and totally geodesicness of all distributions which are introduced in the definition of the semi-invariant submersion are obtained. We...
  3. Semi-slant Riemannian map

    Semi-slant Riemannian map

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    As a generalization of slant submersions [18], semi-slant submersions [15], and slant Riemannian maps [21], we define the notion of semi-slant Riemannian maps from almost Hermitian manifolds to Riemannian manifolds. We study the integrability of distributions, the geometry of fibers,...