We discuss a gap in Besse’s book (Einstein manifolds, 2008), recently pointed out by Merton in (Proc Am Math Soc 141:3265–3273, 2013), which concerns the classification of Riemannian manifolds admitting a Codazzi tensors with exactly two distinct eigenvalues. For such manifolds, we prove a structure theorem, without adding extra hypotheses and then we conclude with some application of this theory to the classification of three-dimensional gradient Ricci solitons.
Titolo: | Locally conformally flat ancient Ricci flows | |
Autori: | ||
Data di pubblicazione: | Being printed | |
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Handle: | http://hdl.handle.net/11384/57219 | |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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