Doubly warped products

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Date

2001

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Elsevier Science Bv

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Department of Modern Languages
In DML, post prep students are offered higher level academic English to help further their education and non-prep students are given basic English courses depending on their needs. In the departments students are exposed to various teaching learning methods and techniques and offline and online facilities to help develop learning strategies, analysing, questioning, synthesising, internalising, applying and evaluating the skills and knowledge to utilize them throughout their lives.

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Abstract

In this paper we study geodesic completeness of Riemannian doubly warped products and Lorentzian doubly warped products. We give necessary conditions for generalized Robertson-Walker spacetimes with doubly warped product spacial parts to be globally hyperbolic. We also state some results about killing and conformal vector fields of doubly warped products.

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Keywords

geodesics, warped products, Lie derivative

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Citation

65

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Q4

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Volume

15

Issue

3

Start Page

253

End Page

263

URI

https://doi.org/10.1016/S0926-2245(01)00051-1
 https://hdl.handle.net/20.500.14411/1125

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