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arXiv 2112.09552math.AP
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半空间中具有变号非线性项的拟线性椭圆型方程正解的单调性

Monotonicity of positive solutions to quasilinear elliptic equations in half-spaces with a changing-sign nonlinearity

Francesco Esposito, Alberto Farina, Luigi Montoro, Berardino Sciunzi

摘要:

本文证明了半空间中$ -Δ_p u = f(u) $在零Dirichlet边界条件下,对于$(2N+2)/(N+2) < p < 2$和一般的正则变号非线性项$f$,正解的单调性.主要结果的证明中所使用的技术是基于比较和最大值原理的精细使用,以及在无界域中拟线性椭圆型方程的著名移动平面方法的适应。

英文摘要:

In this paper we prove the monotonicity of positive solutions to $ -Δ_p u = f(u) $ in half-spaces under zero Dirichlet boundary conditions, for $(2N+2)/(N+2) < p < 2$ and for a general class of regular changing-sign nonlinearities $f$. The techniques used in the proof of the main result are based on a fine use of comparison and maximum principles and on an adaptation of the celebrated moving plane method to quasilinear elliptic equations in unbounded domains.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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