Abstract
We consider the one-dimensional Dirac operator. We derive a shift formula for its root vector functions and prove anti-a priori and two-sided estimates for various L p -norms of these functions.
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Il’in, V.A., Necessary and Sufficient Conditions for Spatial Decompositions to Be Bases and to Be Equiconvergent with a Trigonometric Series. I, Differ. Uravn., 1980, vol. 16, no. 5, pp. 771–794.
Tikhomirov, V.V., Estimates of Regular Solutions of the One-Dimensional Schrödinger Equation with a Spectral Parameter, Dokl. Akad. Nauk SSSR, 1983, vol. 273, no. 4, pp. 807–810.
Joo, I., Upper Estimates for the Eigenfunctions of the Schrödinger Operator, Acta Sci. Math., 1982, vol. 44, pp. 87–93.
Komornik, V., Loveer Estimates for the Eigenfunctions of the Schrödinger Operator, Acta Sci. Math., 1982, vol. 44, pp. 95–98.
Kritskov, L.V., A Uniform Estimate for the Order of Associated Functions, and the Distribution of Eigenvalues of a One-Dimensional Schrödinger Operator, Differ. Uravn., 1989, vol. 25, no. 7, pp. 1121–1129.
Kerimov, N.B., Some Properties of Eigen- and Associated Functions of Ordinary Differential Operators, Dokl. Akad. Nauk SSSR, 1986, vol. 201, no. 5, pp. 1054–1056.
Il’in, V.A., Necessary and Sufficient Conditions for Spatial Decompositions to Be Basis and to Be Equiconvergent with Trigonometric Series. II, Differ. Uravn., 1980, vol. 16, no. 6, pp. 980–1009.
Lomov, I.S., The Bessel Inequality, the Riesz Theorem, and Unconditional Basis Property for Root Vectors of Ordinary Differential Operators, Vestnik Moskov. Univ. Ser. 1 Mat. Mech., 1992, no. 5, pp. 42–52.
Budaev, V.D., A Necessary Condition for the Riesz Basis Property of Systems of Root Functions of an Ordinary Nonself-Adjoint Differential Operator, Differ. Uravn., 1993, vol. 29, no. 1, pp. 20–30.
Kurbanov, V.M., Equiconvergence of Biorthogonal Expansions in Root Functions of Differential Operators. I, Differ. Uravn., 1999, vol. 35, no. 12, pp. 1597–1609.
Kurbanov, V.M., Equiconvergence of Biorthogonal Expansions in Root Functions of Differential Operators. II, Differ. Uravn., 2000, vol. 36, no. 3, pp. 319–335.
Kurbanov, V.M., On the Bessel Property and the Unconditional Basis Property of Systems of Root Vector Functions of the Dirac Operator, Differ. Uravn., 1996, vol. 32, no. 12, pp. 1608–1617.
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Original Russian Text © V.M. Kurbanov, A.I. Ismailova, 2012, published in Differentsial’nye Uravneniya, 2012, Vol. 48, No. 4, pp. 487–497.
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Kurbanov, V.M., Ismailova, A.I. Two-sided estimates for root vector functions of the Dirac operator. Diff Equat 48, 494–505 (2012). https://doi.org/10.1134/S0012266112040040
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DOI: https://doi.org/10.1134/S0012266112040040