Toward Best Isoperimetric Constants for $(H^1,BMO)$-Normal Conformal Metrics on $\mathbb R^n$, $n\ge 3$

dc.creatorXiao, Jie
dc.date2008-01-30
dc.date2008-08-12
dc.date.accessioned2026-07-07T09:55:47Z
dc.date.available2026-07-07T09:55:47Z
dc.descriptionThe aim of this article is: (a) To establish the existence of the best isoperimetric constants for the $(H^1,BMO)$-normal conformal metrics $e^{2u}|dx|^2$ on $\mathbb R^n$, $n\ge 3$, i.e., the conformal metrics with the Q-curvature orientated conditions $$ (-Δ)^{n/2}u\in H^1(\mathbb R^n) & \ u(x)=\hbox{const.}+\frac{\int_{\mathbb R^n}(\log\frac{|\cdot|}{|x-\cdot|})(-Δ)^{n/2} u(\cdot) d\mathcal{H}^n(\cdot)}{2^{n-1}π^{n/2}Γ(n/2)}; $$ (b) To prove that $(nω_n^\frac1n)^\frac{n}{n-1}$ is the optimal upper bound of the best isoperimetric constants for the complete $(H^1,BMO)$-normal conformal metrics with nonnegative scalar curvature; (c) To find the optimal upper bound of the best isoperimetric constants via the quotients of two power integrals of Green's functions for the $n$-Laplacian operators $-\hbox{div}(|\nabla u|^{n-2}\nabla u)$.
dc.description17 pages
dc.identifierhttps://arxiv.org/abs/0801.4753
dc.identifierhttp://arxiv.org/abs/0801.4753
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/166752
dc.subjectDifferential Geometry
dc.subjectFunctional Analysis
dc.subject53A30, 31B35 (Primary) 42B30 (Secondary)
dc.titleToward Best Isoperimetric Constants for $(H^1,BMO)$-Normal Conformal Metrics on $\mathbb R^n$, $n\ge 3$
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