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Maximal solutions of semilinear elliptic equations with locally integrable forcing term

机译:具有局部可积强迫项的半线性椭圆方程的最大解

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摘要

We study the existence of a maximal solution of -Delta u + g(u) = f (x) in a domain Q E RN with compact boundary, assuming that f epsilon (L-loc(1)(Omega))+ and that g is nondecreasing, g(0) >= 0 and g satisfies the Keller-Osserman condition. We show that if the boundary satisfies the classical C-1,C-2 Wiener criterion, then the maximal solution is a large solution, i.e., it blows up everywhere on the boundary. In addition, we discuss the question of uniqueness of large solutions.
机译:我们研究具有紧边界的域QE RN中-Delta u + g(u)= f(x)的最大解的存在,假设f epsilon(L-loc(1)(Omega))+和g是不递减的,g(0)> = 0并且g满足Keller-Osserman条件。我们表明,如果边界满足经典的C-1,C-2维纳准则,那么最大解就是一个大解,即它在边界上的任何地方都会爆炸。此外,我们讨论了大型解决方案的唯一性问题。

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