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Adapted Metrics and Webster Curvature in Finslerian 2-Dimensional Geometry
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作者 Mircea CRASMAREANU 《Chinese Annals of Mathematics,Series B》 SCIE CSCD 2016年第3期419-426,共8页
The Webster scalar curvature is computed for the sphere bundle T_1S of a Finsler surface(S, F) subject to the Chern-Hamilton notion of adapted metrics. As an application,it is derived that in this setting(T_1S, g Sasa... The Webster scalar curvature is computed for the sphere bundle T_1S of a Finsler surface(S, F) subject to the Chern-Hamilton notion of adapted metrics. As an application,it is derived that in this setting(T_1S, g Sasaki) is a Sasakian manifold homothetic with a generalized Berger sphere, and that a natural Cartan structure is arising from the horizontal 1-forms and the author associates a non-Einstein pseudo-Hermitian structure. Also, one studies when the Sasaki type metric of T_1S is generally adapted to the natural co-frame provided by the Finsler structure. 展开更多
关键词 Webster curvature Finsler geometry Sasakian type metric on tangentbundle Sphere bundle Adapted metric Cartan structure Pseudo-Hermitian structure
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