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arXiv 1811.04417math.AP
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非线性本征值问题的摄动

Perturbations of nonlinear eigenvalue problems

Nikolaos S. Papageorgiou, Vicenţiu D. Rădulescu, Dušan D. Repovš

摘要:

考虑了由非齐次微分算子和不定位势驱动的非线性本征值问题的扰动。我们考虑次线性和超线性扰动,我们确定如何设置的正解的变化作为真正的参数$λ$的变化。证明了该映射存在极小正解$\overline{u}_λ$,并确定了该映射$λ\mapsto\overline{u}_λ$的单调性和连续性.特别注意的是特殊情况下的$p$ -拉普拉斯算子。

英文摘要:

We consider perturbations of nonlinear eigenvalue problems driven by a nonhomogeneous differential operator plus an indefinite potential. We consider both sublinear and superlinear perturbations and we determine how the set of positive solutions changes as the real parameter $λ$ varies. We also show that there exists a minimal positive solution $\overline{u}_λ$ and determine the monotonicity and continuity properties of the map $λ\mapsto\overline{u}_λ$. Special attention is given to the particular case of the $p$-Laplacian.

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