ON GENERALIZED SEMISYMMETRIC RIEMANNIAN MANIFOLDS
Josef Mikeš, С. Е. Степанов, E. Stepanov
Abstract
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Josef Mikeš, С. Е. Степанов, E. Stepanov
Abstract
Open-access reader
ABSTRACT. There are several generalizations of the concept of semi-symmetric Rie-mannian manifolds. In the present paper, we consider some special types of generalized semi-symmetric Riemannian manifolds with positive or negative defined curvature operator or sectional curvature. As applications of our theory we prove some propositions about semi-symmetric, Ricci-semi-symmetric and birecurrent Riemannian manifolds. 1.
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ABSTRACT. There are several generalizations of the concept of semi-symmetric Rie-mannian manifolds. In the present paper, we consider some special types of generalized semi-symmetric Riemannian manifolds with positive or negative defined curvature operator or sectional curvature. As applications of our theory we prove some propositions about semi-symmetric, Ricci-semi-symmetric and birecurrent Riemannian manifolds. 1.
Key concepts: Curvature of Riemannian manifolds, Mathematics, Sectional curvature, Ricci-flat manifold, Pure mathematics, Ricci curvature, Scalar curvature, Curvature