99-49 Karpeshina, Yulia
On the Density of States for the Periodic Schr\"{o}dinger Operator (58K, LATEX) Feb 12, 99
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Abstract. Asymptotic formula for the density of states of the polyharmonic periodic operator $(-\Delta )^l+V $ in $R^n$, $n\geq 2$, $l\geq 1$ is obtained. Special consideration is given to the case of the Schr\"{o}dinger equation $n=3$, $l=1$, where the second term of the asymptotic is found.

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