Asymptotics of the Distribution of Eigenvalues of a Selfadjoint Second Order Hyperbolic Differential Operator on the Two-Dimensional Torus |
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Authors: | V M Kaplitski? |
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Institution: | 1.Southern Federal University,Rostov-on-Don South Mathematical Institute,Vladikavkaz,Russia |
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Abstract: | We study the asymptotic properties of the discrete spectrum for general selfadjoint second order hyperbolic operators on the
two-dimensional torus. For a broad class of operators with sufficiently smooth coefficients and the principal part coinciding
with the wave operator in the light cone coordinates we prove the discreteness of the spectrum and obtain an asymptotic formula
for the distribution of eigenvalues. In some cases we can indicate the first two asymptotic terms. We discuss the relations
of these questions to analytic number theory and mathematical physics. |
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