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JOURNALS // Izvestiya of Saratov University. Mathematics. Mechanics. Informatics // Archive

Izv. Saratov Univ. Math. Mech. Inform., 2012 Volume 12, Issue 3, Pages 22–30 (Mi isu308)

This article is cited in 3 papers

Mathematics

Refined asymptotic formulas for eigenvalues and eigenfunctions of the Dirac system with nondifferentiable potential

M. Sh. Burlutskayaa, V. P. Kurdyumovb, A. P. Khromovb

a Voronezh State University, Chair of Mathematical Analysis
b Saratov State University, Chair of Differential Equations and Applied Mathematics

Abstract: This paper investigates the Dirac system with the continuous potential. Asymptotic formulas for the eigenvalues (including refined) and eigenfunctions are established. As an application we obtain a theorem P. Dzhakova and B. S. Mityagin on the Riesz bases with brackets.

Key words: asymptotic formulas for the eigenvalues and eigenfunctions, Dirac system, Riesz bases.

UDC: 517.984

DOI: 10.18500/1816-9791-2012-12-3-22-30



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