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arXiv 1012.2246gr-qcmath.APmath.DG
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渐近双曲流形上Einstein约束方程的一大类非常数平均曲率解

A large class of non constant mean curvature solutions of the Einstein constraint equations on an asymptotically hyperbolic manifold

Romain Gicquaud, Anna Sakovich

摘要:

利用保角方法构造了渐近双曲流形上具有变平均曲率的约束方程的解。我们的方法包括降低出现在方程中的某个指数,构造这些亚临界方程的解,然后让指数趋于其真值。我们证明了次临界方程的解保持有界,除非某个极限方程允许非平凡解,否则约束方程的解是有界的。最后给出了极限方程不存在非平凡解的条件。

英文摘要:

We construct solutions of the constraint equation with non constant mean curvature on an asymptotically hyperbolic manifold by the conformal method. Our approach consists in decreasing a certain exponent appearing in the equations, constructing solutions of these sub-critical equations and then in letting the exponent tend to its true value. We prove that the solutions of the sub-critical equations remain bounded which yields solutions of the constraint equation unless a certain limit equation admits a non-trivial solution. Finally, we give conditions which ensure that the limit equation admits no non-trivial solution.

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