On the asymptotic distribution of eigenvalues for semi-elliptic operators

Tsutsumi, Akira; Wang, Chung Lie

doi:10.1090/S0002-9947-1974-0355373-4

On the asymptotic distribution of eigenvalues for semi-elliptic operators
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Trans. Amer. Math. Soc. 199 (1974), 295-315 Request permission

Abstract:

This paper is focused on the asymptotic distribution of eigenvalues for semielliptic operators under weaker smoothness assumptions on coefficients of operators than those of F. E. Browder [3] and Y. Kannai [8] by applying the method of Maruo-Tanabe [9].

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