On almost geodesic mappings onto Riemannian spaces
Mikeš, Josef, Pokorná, Olga, Starko, Galina
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Mikeš, Josef, Pokorná, Olga, Starko, Galina
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Vladimir Berezovskij, Josef Mikeš (1996)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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Irena Hinterleitner (2013)
Publications de l'Institut Mathématique
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Milan Zlatanović, Irena Hinterleitner, Marija Najdanović (2014)
Czechoslovak Mathematical Journal
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In the present paper a generalized Kählerian space of the first kind is considered as a generalized Riemannian space with almost complex structure that is covariantly constant with respect to the first kind of covariant derivative. Using a non-symmetric metric tensor we find necessary and sufficient conditions for geodesic mappings with respect to the four kinds of covariant derivatives. These conditions have the form of a closed system of partial differential equations in covariant...
Minčić, Svetislav, Stanković, Mića (1997)
Matematichki Vesnik
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Vladimir Berezovskij, Josef Mikeš (2004)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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N. S. Sinyukov [5] introduced the concept of an of a space with an affine connection without torsion onto and found three types: , and . The authors of [1] proved completness of that classification for .By definition, special types of mappings are characterized by equations where is the deformation tensor of affine connections of the spaces and .In this paper geometric objects which preserve these mappings are found and also closed classes of such spaces are described. ...