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首页> 外文期刊>Discrete and continuous dynamical systems >ON THE UNIQUENESS OF BOUND STATE SOLUTIONS OF A SEMILINEAR EQUATION WITH WEIGHTS
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ON THE UNIQUENESS OF BOUND STATE SOLUTIONS OF A SEMILINEAR EQUATION WITH WEIGHTS

机译:权重的半线性方程的束缚态解的唯一性

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摘要

We consider radial solutions of a general elliptic equation involving a weighted Laplace operator. We establish the uniqueness of the radial bound state solutions todiv(A del v) + Bf(v) = 0, lim(vertical bar x vertical bar ->+infinity) v(x) 0, x is an element of R-n, (P)n > 2, where A and B are two positive, radial, smooth functions defined on R-n {0}. We assume that the nonlinearity f is an element of C(-c, c), 0 < c <= infinity is an odd function satisfying some convexity and growth conditions, and has a zero at b > 0, is non positive and not identically 0 in (0, b), positive in (b, c), and is differentiable in (0, c).
机译:我们考虑包含加权拉普拉斯算子的一​​般椭圆方程的径向解。我们建立了径向约束状态解的唯一性,以div(A del v)+ Bf(v)= 0,lim(垂直条x垂直条-> +无穷大)v(x)0,x是Rn的元素,( P)n> 2,其中A和B是在Rn {0}上定义的两个正,径向,平滑函数。我们假设非线性f是C(-c,c)的元素,0 0处为零,是非正且不相同在(0,b)中为0,在(b,c)中为正,并且在(0,c)中可微分。

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