Abstract
Let A be a symmetric and positive definite (1, 1) tensor on a bounded domain Ω in an n-dimensional metric measure space (ℝn, 〈,〉, e−ϕdv). In this paper, we investigate the Dirichlet eigenvalue problem of a system of equations of elliptic operators in weighted divergence form
where \({L_{A,\varphi }} = {\rm{div}}\left( {A\nabla \left( \cdot \right)} \right) - \left\langle {A\nabla \varphi ,\nabla \left( \cdot \right)} \right\rangle \), α is a nonnegative constant and u is a vector-valued function. Some universal inequalities for eigenvalues of this problem are established. Moreover, as applications of these results, we give some estimates for the upper bound of ςk+1 and the gap of ςk+1 −ςk in terms of the first k eigenvalues. Our results contain some results for the Lame system and a system of equations of the drifting Laplacian.
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This research was supported by the National Natural Science Foundation of China (Grant Nos. 11001130, 11571361 and 11831005) and the Fundamental Research Funds for the Central Universities (Grant No. 30917011335)
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Sun, H.J., Chen, D.G. & Jiang, X.Y. Inequalities for Eigenvalues of a System of Equations of Elliptic Operator in Weighted Divergence Form on Metric Measure Space. Acta. Math. Sin.-English Ser. 36, 903–916 (2020). https://doi.org/10.1007/s10114-020-9179-6
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DOI: https://doi.org/10.1007/s10114-020-9179-6