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Mat. Zametki, 2008, Volume 84, Issue 1, Pages 99–107 (Mi mz5196)  

This article is cited in 2 scientific papers (total in 2 papers)

Reductions of the Object and the Affine Torsion Tensor of a Centroprojective Connection on a Distribution of Planes

O. M. Omelyan, Yu. I. Shevchenko

Immanuel Kant State University of Russia

Abstract: The projective group is represented as a bundle of centroprojective frames. This bundle is endowed with a centroprojective connection and becomes the space of this centroprojective connection. Structure equations of this space are found, which include the affine torsion tensor and the centroprojective curvature tensor containing the affine curvature subtensor. A distribution of planes in projective space and its associated principal bundle (which has two simplest and two simple (in the sense of [1]) quotient principal bundles) are considered. On the associated bundle, a group connection is defined. The object of the centroprojective connection is reduced to the object of the group connection. The object of the group connection contains the objects of the flat and normal linear connections, the centroprojective subconnection, and the affine-group connection as subobjects. The torsion object of the affine-group connection is determined. It is proved that it forms a tensor, which contains the torsion tensor of the normal linear connection as a subtensor. It is shown that the affine torsion tensor of the centroprojective connection reduces to the torsion tensor of the affine-group connection.

Keywords: projective space, projective group, bundle of centroprojective frames, centroprojective connection, object of a connection, curvature tensor, distribution of planes

DOI: https://doi.org/10.4213/mzm5196

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English version:
Mathematical Notes, 2008, 84:1, 100–107

Bibliographic databases:

UDC: 514.75
Received: 26.03.2007
Revised: 24.12.2007

Citation: O. M. Omelyan, Yu. I. Shevchenko, “Reductions of the Object and the Affine Torsion Tensor of a Centroprojective Connection on a Distribution of Planes”, Mat. Zametki, 84:1 (2008), 99–107; Math. Notes, 84:1 (2008), 100–107

Citation in format AMSBIB
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\paper Reductions of the Object and the Affine Torsion Tensor of a Centroprojective Connection on a Distribution of Planes
\jour Mat. Zametki
\yr 2008
\vol 84
\issue 1
\pages 99--107
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\crossref{https://doi.org/10.4213/mzm5196}
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\transl
\jour Math. Notes
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\vol 84
\issue 1
\pages 100--107
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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. Yu. I. Shevchenko, “Degeneration of plane affine Stolyarov connections”, J. Math. Sci., 177:5 (2011), 753–757  mathnet  crossref  mathscinet
    2. Shevchenko J., Skrydlova E., “Reduction of the Centroprojective Connection of the Projective Group to the Fundamental-Group Connection of a Surface”, Miskolc Math. Notes, 14:2 (2013), 601–608  mathscinet  zmath  isi
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