Estimates for lower bounds of eigenvalues of the poly-Laplacian and the quadratic polynomial operator of the Laplacian
Estimates for lower bounds of eigenvalues of the poly-Laplacian and the quadratic polynomial operator of the Laplacian
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DOI:
10.1017/s0308210512000224
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发表时间:
2011-12
期刊:
影响因子:
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通讯作者:
Q. Cheng;He-Jun Sun;G. Wei;Lingzhong Zeng
中科院分区:
文献类型:
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作者:
Q. Cheng;He-Jun Sun;G. Wei;Lingzhong Zeng
In this paper, we investigate the Dirichlet eigenvalue problems of the poly-Laplacian with any order and the quadratic polynomial operator of the Laplacian. We give some estimates for lower bounds of the sums of their first k eigenvalues.