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关于带权拉普拉斯算子的点谱的不存在性问题

Nonexistence of Point Spectrum for Weighted Laplacian
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摘要 讨论一类旋转对称的黎曼流形上带权拉普拉斯算子的谱问题,证明了在任一n维完备、旋转对称的黎曼流形M上,若它的径向截面曲率是非负的,且带权的拉普拉斯算子中的权函数是光滑凸的单调递减径向函数,则带权的拉普拉斯算子没有平方可积的、具有正特征值的特征函数。 The paper discussed the spectrum problem for a weighted Laplacian on a rotationally symmetric Riemmanian manifold. It proved that on Riemmanian manifold M which is an n- dimensional complete rotationally symmetric, if the radial sectional curvature is nonnegative and the weighted function in the weighted Laplacian is a convex and monotonic decreasing radial function, then the weighted Laplacian does not possess any square integrable eigenfunction with positive eigenvalue.
作者 黄琴 阮其华
出处 《莆田学院学报》 2016年第5期1-3,47,共4页 Journal of putian University
基金 国家自然科学基金资助项目(11471175) 福建省自然科学基金资助项目(2016J01675) 福建省教育厅基金资助项目(JA160488)
关键词 旋转对称度量 带权拉普拉斯算子 点谱 黎曼流形 rotationally symmetric metric weighted Laplacian point spectrum Riemmanian manifold
作者简介 黄琴(1978-),女,福建莆田人,副教授,硕士; 阮其华(1971-),男,福建莆田人,教授,博士。
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参考文献8

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