East Asian mathematical journal
- Volume 18 Issue 2
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- Pages.235-243
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- 2002
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- 1226-6973(pISSN)
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- 2287-2833(eISSN)
SOME EINSTEIN PRODUCT MANIFOLDS
- Park, Joon-Sik (Department of Mathematics Pusan University of Foreign Studies) ;
- Moon, Kyung-Suk (Department of Mathematics Pusan University of Foreign Studies)
- Published : 2002.12.27
Abstract
In this paper, we get conditions for the natural projections of some product manifolds with varying metrics of two Riemannian manifolds to be harmonic, and necessary and sufficient conditions for some product manifolds with the harmonic natural projections of two Einstein manifolds to be Einstein manifolds.