A Basic Inequality for the Tanaka‐Webster Connection

Dae Ho Jin and Jae Won Lee

Journal of Applied Mathematics, 2012, vol. 2012, issue 1

Abstract: For submanifolds tangent to the structure vector field in Sasakian space forms, we establish a Chen′s basic inequality between the main intrinsic invariants of the submanifold (namely, its pseudosectional curvature and pseudosectional curvature on one side) and the main extrinsic invariant (namely, squared pseudomean curvature on the other side) with respect to the Tanaka‐Webster connection. Moreover, involving the pseudo‐Ricci curvature and the squared pseudo‐mean curvature, we obtain a basic inequality for submanifolds of a Sasakian space form tangent to the structure vector field in terms of the Tanaka‐Webster connection.

Date: 2012
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https://doi.org/10.1155/2012/231416

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2012:y:2012:i:1:n:231416

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