Abstract

In this paper, we prove that the squared norm of the second fundamental form for bi-slant submanifolds with any codimension of nearly trans-Sasakian manifolds is bounded below by the gradient of a warping function and also find the conditions on which the equality holds. Some related examples are also provided.

Highlights

  • In 1969, the idea of warped product manifolds was initiated by R.L

  • Geometers are attracted to work on warped product manifolds

  • Chen [4] has introduced the notion of a CR-warped product submanifold in a Kaehler manifold and established a general inequality for a CR-warped product submanifold in the same ambient manifold

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Summary

Introduction

In 1969, the idea of warped product manifolds was initiated by R.L. Bishop and B. 4, we define an orthonormal frame for warped product bi-slant submanifolds of an arbitrary nearly trans-Sasakian manifold and we establish a sharp inequality for the second funda- 5, we investigate the triviality of warped product bi-slant submanifolds in nearly trans-Sasakian manifolds and some non-trivial examples are provided.

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