Effective multiplicity for the Einstein-scalar field Lichnerowicz equation

Effective multiplicity for the Einstein-scalar field Lichnerowicz equation
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DOI:
10.1007/s00526-014-0740-y
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发表时间:
2013-07
影响因子:
2.1
通讯作者:
Bruno Premoselli
Bruno Premoselli
中科院分区:
数学2区
文献类型:
--
作者:
Bruno Premoselli

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我们证明了爱因斯坦标量场Lichnerowicz方程在临界非线性维数的亚临界扰动下的稳定性。作为结果,我们得到的存在性的第二个解决方案的方程在几种情况下。特别是,在积极的情况下,包括CMC积极的宇宙学常数的情况下,我们表明,每次存在一个解决方案,方程产生的第二个解决方案,除了一个临界值的解决方案是唯一的。
We prove the stability of the Einstein-scalar field Lichnerowicz equation under subcritical perturbations of the critical nonlinearity in dimensions. As a consequence, we obtain the existence of a second solution to the equation in several cases. In particular, in the positive case, including the CMC positive cosmological constant case, we show that each time a solution exists, the equation produces a second solution with the exception of one critical value for which the solution is unique.