Proceedings of the American Mathematical Society

A Ricci-semi-symmetric hypersurface of Euclidean space which is not semi-symmetric

Author(s): Bahaa E. Abdalla; Franki Dillen
Journal: Proc. Amer. Math. Soc. 130 (2002), 1805-1808.
MSC (1991): Primary 53B25
Posted: December 20, 2001
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Abstract: We construct the first explicit example of a Ricci-semi-symmetric hypersurface of Euclidean space which is not semi-symmetric.

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Bahaa E. Abdalla
Affiliation: Department of Mathematics, College of Science, King Fahd University of Petroleum and Minerals, Box 859, Dhahran 31261, Saudi Arabia
Address at time of publication: Prince Sultan Private College, Riyadh 11586, P.O. Box 66833, Kingdom of Saudi Arabia
Email: b_abdalla@hotmail.com

Franki Dillen
Affiliation: Departement Wiskunde, Katholieke Universiteit Leuven, Celestijnenlaan 200B, B-3001 Leuven, Belgium
Email: Franki.Dillen@wis.kuleuven.ac.be

DOI: 10.1090/S0002-9939-01-06220-7
PII: S 0002-9939(01)06220-7
Keywords: Semi-symmetric, Ricci-semi-symmetric, hypersurface
Received by editor(s): July 28, 2000
Received by editor(s) in revised form: November 28, 2000
Posted: December 20, 2001
Additional Notes: The second author is a Postdoctoral Research Fellow of the Fund for Scientific Research--Flanders.
Communicated by: Wolfgang Ziller
Copyright of article: Copyright 2001, American Mathematical Society

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