Skip to main content
Log in

Two-sided estimates for root vector functions of the Dirac operator

  • Ordinary Differential Equations
  • Published:
Differential Equations Aims and scope Submit manuscript

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.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. 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.

    Google Scholar 

  2. 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.

    MathSciNet  Google Scholar 

  3. Joo, I., Upper Estimates for the Eigenfunctions of the Schrödinger Operator, Acta Sci. Math., 1982, vol. 44, pp. 87–93.

    MathSciNet  MATH  Google Scholar 

  4. Komornik, V., Loveer Estimates for the Eigenfunctions of the Schrödinger Operator, Acta Sci. Math., 1982, vol. 44, pp. 95–98.

    MathSciNet  MATH  Google Scholar 

  5. 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.

    MathSciNet  MATH  Google Scholar 

  6. 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.

    MathSciNet  Google Scholar 

  7. 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.

    Google Scholar 

  8. 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.

  9. 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.

    MathSciNet  MATH  Google Scholar 

  10. Kurbanov, V.M., Equiconvergence of Biorthogonal Expansions in Root Functions of Differential Operators. I, Differ. Uravn., 1999, vol. 35, no. 12, pp. 1597–1609.

    MathSciNet  Google Scholar 

  11. Kurbanov, V.M., Equiconvergence of Biorthogonal Expansions in Root Functions of Differential Operators. II, Differ. Uravn., 2000, vol. 36, no. 3, pp. 319–335.

    MathSciNet  Google Scholar 

  12. 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.

    MathSciNet  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Additional information

Original Russian Text © V.M. Kurbanov, A.I. Ismailova, 2012, published in Differentsial’nye Uravneniya, 2012, Vol. 48, No. 4, pp. 487–497.

Rights and permissions

Reprints and permissions

About this article

Cite this article

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

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1134/S0012266112040040

Keywords

Navigation