Journal of Differential Geometry

Q-curvature flow on S4

Andrea Malchiodi and Michael Struwe

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Abstract

We study a natural counterpart of the Nirenberg problem, namely to prescribe the Q-curvature of a conformal metric on the standard S4 as a given function f. Our approach uses a geometric flow within the conformal class, which either leads to a solution of our problem as, in particular, in the case when f ≡ const, or otherwise induces a blow-up of the metric near some point of S4. Under suitable assumptions on f, also in the latter case the asymptotic behavior of the flow gives rise to existence results via Morse theory.

Article information

Source
J. Differential Geom. Volume 73, Number 1 (2006), 1-44.

Dates
First available in Project Euclid: 3 May 2006

Permanent link to this document
http://projecteuclid.org/euclid.jdg/1146680511

Mathematical Reviews number (MathSciNet)
MR2217518

Citation

Malchiodi, Andrea; Struwe, Michael. Q-curvature flow on S 4 . J. Differential Geom. 73 (2006), no. 1, 1--44. http://projecteuclid.org/euclid.jdg/1146680511.


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