دوره 14، شماره 2 - ( 7-1398 )
جلد 14 شماره 2 صفحات 104-93 |
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Firuzi F, Alipour Fakhri Y, Peyghan E. Local Symmetry of Unit Tangent Sphere Bundle With g- Natural Almost Contact B-Metric Structure. IJMSI 2019; 14 (2) :93-104
URL: http://ijmsi.ir/article-1-1014-fa.html
URL: http://ijmsi.ir/article-1-1014-fa.html
Local Symmetry of Unit Tangent Sphere Bundle With g- Natural Almost Contact B-Metric Structure. مجله علوم ریاضی و انفورماتیک. 1398; 14 (2) :93-104
چکیده:
We consider the unit tangent sphere bundle of Riemannian manifold ( M, g ) with g-natural metric
G̃ and we equip it to an almost contact B-metric structure. Considering this structure, we show that there is
a direct correlation between the Riemannian curvature tensor of ( M, g ) and local symmetry property of G̃.
More precisely, we prove that the flatness of metric g is necessary and sufficient for the g-natural metric G̃ to
be locally symmetric.
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