Symmetry properties of some solutions to some semilinear elliptic equations

Symmetry properties of some solutions to some semilinear elliptic equations
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一些半线性椭圆方程的一些解的对称性

DOI:
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发表时间:
2014
期刊:
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通讯作者:
M. Rizzi
M. Rizzi
中科院分区:
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文献类型:
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作者:
A. Farina;A. Malchiodi;M. Rizzi

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本文证明了半线性方程$-Delta u=f(U)$的整体解的一些对称性结果,其中$f$在原点的右邻域内不增加。我们考虑解只在某些方向上衰减,并给出了它们关于这些变量径向对称的一些充分条件,如周期性或某些导数的逐点衰减。
In this paper we prove some symmetry results for entire solutions to the semilinear equation $-Delta u=f(u)$, with $f$ nonincreasing in a right neighbourhood of the origin. We consider solutions decaying only in some directions and we give some sufficient conditions for them to be radially symmetric with respect to those variables, such as periodicity or the pointwise decay of some derivatives.