arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1202.4654math.AP
收藏

径向对称p-Laplacian算子的曲线分支

Bifurcation along curves for the p-Laplacian with radial symmetry

François Genoud

摘要:

本文研究了$R^N$中单位球$N \ges 1$中含有p-Laplacian且p>2的非线性狄利克雷问题径向解集的整体结构.我们证明了所有非平凡径向解分别位于正负解的平滑曲线上,并从平凡解线分叉。这涉及到Crandall-Rabinowitz型的局部分歧结果,以及依赖于方程单调性的全局连续参数。分析的一个重要部分是致力于微妙的问题,可微的逆p-Laplacian。因此,我们得到一个完整的描述的全局连续的正/负解分叉的第一个特征值的加权,径向,p-Laplacian问题,通过使用纯粹的分析参数,而以前的相关结果证明了拓扑参数或混合的分析和拓扑参数。我们的方法需要更强的假设,但产生更强的结果,分支发生沿平滑曲线的解决方案,而不仅仅是连接集。

英文摘要:

We study the global structure of the set of radial solutions of a nonlinear Dirichlet problem involving the p-Laplacian with p>2, in the unit ball of $R^N$, $N \ges 1$. We show that all non-trivial radial solutions lie on smooth curves of respectively positive and negative solutions and bifurcating from the line of trivial solutions. This involves a local bifurcation result of Crandall-Rabinowitz type, and global continuation arguments relying on monotonicity properties of the equation. An important part of the analysis is dedicated to the delicate issue of differentiability of the inverse p-Laplacian. We thus obtain a complete description of the global continua of positive/negative solutions bifurcating from the first eigenvalue of a weighted, radial, p-Laplacian problem, by using purely analytical arguments, whereas previous related results were proved by topological arguments or a mixture of analytical and topological arguments. Our approach requires stronger hypotheses but yields much stronger results, bifurcation occuring along smooth curves of solutions, and not only connected sets.

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。

↑