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Conformally Euclidean metrics on $\mathbb{R}^n$ with arbitrary total Q-curvature

Hyder, Ali. (2016) Conformally Euclidean metrics on $\mathbb{R}^n$ with arbitrary total Q-curvature.

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Official URL: https://edoc.unibas.ch/69954/

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Abstract

We study the existence of solution to the problem
\[
(-\Delta)^{n/2} u = Q e^{nu} in \mathbb{R}^n, \kappa := \int_{\mathbb{R}^n} Q e^{nu} dx < \infty,
\]
where $Q \ge 0, \kappa \in (0,\infty)$ and $n \ge 3$. Using ODE techniques Martinazzi for n = 6 and Huang-Ye for n = 4m+2 proved the existence of solution to the above problem with Q = const > 0 for every $\kappa \in (0,\infty)$. We extend these results in every dimension $n \ge 5$, thus completely answering the problem opened by Martinazzi. Our approach also extends to the case in which Q is non-constant, and under some decay assumptions on Q we can also treat the cases n = 3 and 4.
Faculties and Departments:05 Faculty of Science > Departement Mathematik und Informatik > Ehemalige Einheiten Mathematik & Informatik > Analysis (Martinazzi)
12 Special Collections > Preprints Fachbereich Mathematik
UniBasel Contributors:Hyder, Ali
Item Type:Preprint
Publisher:Universität Basel
Language:English
Last Modified:01 Jul 2019 07:48
Deposited On:28 Mar 2019 09:51

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