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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)


A note on Ricci signatures

Author: Dezhong Chen
Journal: Proc. Amer. Math. Soc. 137 (2009), 273-278
MSC (2000): Primary 53C21
Published electronically: August 4, 2008
MathSciNet review: 2439450
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Abstract: We show that only two types of Ricci signatures cannot be realized by any left-invariant metric on 4-dimensional Lie groups.

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Additional Information

Dezhong Chen
Affiliation: Department of Mathematics & Statistics, McMaster University, Hamilton, Ontario L8S 4K1, Canada

PII: S 0002-9939(08)09572-5
Keywords: Left-invariant metric, Ricci signature
Received by editor(s): December 18, 2007
Published electronically: August 4, 2008
Communicated by: Jon G. Wolfson
Article copyright: © Copyright 2008 American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.

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