Mathematics – Functional Analysis
Scientific paper
1997-02-12
Mathematics
Functional Analysis
5 pages, AMSTeX, to appear in Proceedings of the Seventh Crimean Autumn Mathematical School-Simposium on Spectral and Evolutio
Scientific paper
Is considered the asymptotical behavior of spectral function $\rho(\lambda, \epsilon),\epsilon > 0$, of one family of self adjoint differential operators of second order, defined in space $L_2[0,+\infty)$ with potentials, depending on $\epsilon$. Are given evaluations for the derivative of spectral function for negative $\lambda$ and is proved the weak convergence of $\rho'(\lambda, \epsilon)$ to $\rho'(\lambda, 0)$ with $\epsilon \to +0$.
Pechentsov A. S.
Popov Yu. A.
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