Infinitesimal Transformations of Locally Conformal Kähler Manifolds
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Date
2019-07-24
Authors
Cherevko, Yevhen
Berezovski, Vladimir
Hinterleitner, Irena
Smetanová, Dana
ORCID
0000-0002-1046-578XAdvisor
Referee
Mark
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MDPI
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Abstract
The article is devoted to infinitesimal transformations. We have obtained that LCK-manifolds do not admit nontrivial innitesimal projective transformations. Then we study innitesimal conformal transformations of LCK-manifolds. We have found the expression for the Lie derivative of a Lee form. We have also obtained the system of partial differential equations for the transformations, and explored its integrability conditions. Hence we have got the necessary and sufcient conditions in order that the an LCK-manifold admits a group of conformal motions. We have also calculated the number of parameters which the group depends on. We have proved that a group of conformal motions admitted by an LCK-manifold is isomorphic to a homothetic group admitted by corresponding Kählerian metric. We also established that an isometric group of an LCK-manifold is isomorphic to some subgroup of the homothetic group of the coresponding local Kählerian metric.
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Peer-reviewed
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en