Estimates for the eigenvalues of the bi-drifting Laplacian on cigar soliton

Estimates for the eigenvalues of the bi-drifting Laplacian on cigar soliton
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雪茄孤子上双向漂移拉普拉斯算子特征值的估计

DOI:
10.1016/j.geomphys.2019.07.003
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发表时间:
2019-07
影响因子:
1.5
通讯作者:
Zeng Lingzhong
Zeng Lingzhong
中科院分区:
数学3区
文献类型:
--
作者:
Li Xinyang;Xiong Xin;Zeng Lingzhong

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雪茄孤子被称为欧几里得-威腾黑洞,在物理世界单西格玛模型的一阶Ricci流下。因此,雪茄孤子在几何和物理上都具有重要的意义。此外,为了描述弹性力学中固支板的振动,必须考虑双调和算子的具有固定边界条件的特征值问题,称为固支板问题。作为推广,本文研究了双漂移拉普拉斯算子的带Dirichlet边界条件的特征值问题,得到了雪茄孤子有界域上双漂移拉普拉斯算子的两个特征值不等式。
The cigar soliton is called Euclidean-Witten black hole under first-order Ricci flow of the world-sheet sigma model in physics. Thus, cigar soliton is of great significance in both geometry and physics. In addition, in order to describe vibrations of a clamped plate in elastic mechanics, one must consider an eigenvalue problem with fixed boundary condition for bi-harmonic operator, called a clamped plate problem. As a generalization, we consider the eigenvalue problem with Dirichlet boundary condition for the bi-drifting Laplacian and obtain two eigenvalue inequalities of the bi-drifting Laplacian on the bounded domains of cigar soliton in this paper.
DOI: 10.1103/physrevd.44.314
发表时间: 1991-07
期刊: Physical review. D, Particles and fields
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