On the Asymptotics of Eigenvalues of a Fourth-Order Differential Operator with Matrix Coefficients

被引：0
作者：
I. N. Braeutigam
D. M. Polyakov
机构：
[1] Northern (Arctic) Federal University,
[2] Southern Mathematical Institute (Branch of Vladikavkaz Scientific Center of Russian Academy of Sciences),undefined
来源：
Differential Equations | 2018年 / 54卷
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摘要：
We study a fourth-order differential operator with matrix coefficients whose domain is determined by the Dirichlet boundary conditions. An asymptotics of the weighted average of the eigenvalues of this operator is obtained in the general case. As a consequence of this result, we present the asymptotics of the eigenvalues in several special cases. The obtained results significantly improve the already known asymptotic formulas for the eigenvalues of a one-dimensional fourth-order differential operator.
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页码：450 / 467
页数：17
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