An asymptotic formula for the number of eigenvalues of a differential operator

E. Adiguzelov, H. Avci, E. Gul

Resumen


In this work, it is proved that the spectrum of an differential operator with unbounded operator coefficients in elliptic type with partial derivatives is pure discrete and an asymptotic formula is found for the number of eigenvalues of this operator.

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Referencias


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DOI: http://dx.doi.org/10.4067/S0716-09172001000100005

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