On the maximum of solutions for a semilinear elliptic problem

On the maximum of solutions for a semilinear elliptic problem
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半线性椭圆问题的极大值解

DOI:
10.1017/s0308210500014724
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发表时间:
1988
期刊:
Proceedings of the Royal Society of Edinburgh: Section A Mathematics
影响因子:
--
通讯作者:
G. Sweers
G. Sweers
中科院分区:
--
文献类型:
--
作者:
G. Sweers

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本文研究了一类右端不定的半线性椭圆特征值问题的一些性质。在第一部分中,我们证明了每个解在某个指定的区间J内都有其最大值。如果区域在N > 1的n ∈ N中的锥内,则J严格小于一维情形。在第二部分中,我们表明,对于有界区域,如果最大值是在J的某个子区间内,那么对于任何特征值将有至多一个解决方案。
Synopsis In this paper we study some properties of a semilinear elliptic eigenvalue problem with nondefinite right-hand side. In the first part we show that every solution will have its maximum in some specified interval J. If the domain is inside a cone in ℝN with N > 1, then J is strictly smaller than in the one-dimensional case. In the second part we show, for bounded domains, that if the maximum is inside some subinterval of J, then for any eigenvalue there will be at most one solution.