On a structure satisfying .
Das, Lovejoy S. (1996)
International Journal of Mathematics and Mathematical Sciences
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Das, Lovejoy S. (1996)
International Journal of Mathematics and Mathematical Sciences
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Das, Lovejoy S., Nivas, Ram, Nath Pathak, Virendra (2005)
International Journal of Mathematics and Mathematical Sciences
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Vanžurová, Alena
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A non-holonomic 3-web is defined by two operators and such that is a projector, is involutory, and they are connected via the relation . The so-called parallelizing connection with respect to which the 3-web distributions are parallel is defined. Some simple properties of such connections are found.
Das, Lovejoy S. (1993)
International Journal of Mathematics and Mathematical Sciences
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Araujo, José, Keilhauer, Guillermo (2006)
Balkan Journal of Geometry and its Applications (BJGA)
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Hernando, J.M., Reyes, E., Gadea, P.M. (1985)
Publications de l'Institut Mathématique. Nouvelle Série
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de León, Manuel, Salgado, Modesto (1988)
Publications de l'Institut Mathématique. Nouvelle Série
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Omran, T., Sharfuddin, A., Husain, S.I. (1984)
Publications de l'Institut Mathématique. Nouvelle Série
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Grzegorz Zborowski (2015)
Annales UMCS, Mathematica
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An A-manifold is a manifold whose Ricci tensor is cyclic-parallel, equivalently it satisfies ∇XXRic(X,X) = 0. This condition generalizes the Einstein condition. We construct new examples of A-manifolds on r-torus bundles over a base which is a product of almost Hodge A-manifolds
Jovanka Nikić (1986)
Publications de l'Institut Mathématique
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