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The Yamabe Problem asks when the conformal class of a compact, Riemannian manifold (M, g) contains a metric g¯ of constant scalar curvature. Its resolution established that it always does, and that the sign of this constant is a conformal invariant.
We consider metrics whose conformal class includes a metric of constant positive scalar curvature. We show that given a smooth manifold ( M, g) of dimension n ≥ 9, there exists a metric g˜ which is arbitrarily close to g in the C1,α topology and whose conformal class contains an arbitrary number of distinct metrics with constant scalar curvature equal to 1. If we assume, in addition, that (M, g) is locally conformally flat, we may take g˜ to be close to g in the Cs topology for any s < [special characters omitted]</p>
These results generalize, in dimensions n ≥ 9, earlier results of Ambrosetti, Ambrosetti and Malchiodi, Berti and Malchiodi, and Pollack. Our proof constructs parameterized perturbations of an explicit approximate solution. The conformal class containing the constant scalar curvature metrics is obtained in this manner, and so has a well-understood geometry.
Advisor: | Schoen, Richard |
Commitee: | |
School: | Stanford University |
School Location: | United States -- California |
Source: | DAI-B 70/07, Dissertation Abstracts International |
Source Type: | DISSERTATION |
Subjects: | Mathematics |
Keywords: | Conformal class, Scalar curvature, Yamabe problem |
Publication Number: | 3364497 |
ISBN: | 978-1-109-24285-0 |