We establish some sharper inequalities for eigenvalues of a system of higher-order differential equations. Moreover, we present some sharper estimates for the upper bound of the (k +1)th eigenvalue and the gaps of its consecutive eigenvalues.
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Published in Ukrains’kyi Matematychnyi Zhurnal, Vol. 66, No. 3, pp. 394–403, March, 2014.
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Sun, HJ. Inequalities for Eigenvalues of a System of Higher-Order Differential Equations. Ukr Math J 66, 443–453 (2014). https://doi.org/10.1007/s11253-014-0942-7
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DOI: https://doi.org/10.1007/s11253-014-0942-7