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Published in 2019 at "Acta Mathematica Scientia"
DOI: 10.1007/s10473-019-0217-3
Abstract: In this paper, we investigate non-zero positive eigenvalues of the Laplacian with Dirichlet boundary condition in an n-dimentional Euclidean space ℝn, then we obtain an new upper bound of the (k + 1)-th eigenvalue λk+1,…
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Keywords:
bounds eigenvualues;
new bounds;
eigenvualues laplacian;