Skip to main content
Log in

Approximate Solutions of One Abstract Cauchy Problem

  • Published:
Journal of Mathematical Sciences Aims and scope Submit manuscript

We find approximate solutions of the Cauchy problem for a differential-operator equation of hyperbolic type with degeneration in a Hilbert space. In terms of these approximations, we give a characteristic of the Gevrey classes for a nonnegative self-adjoint operator.

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. A. V. Babin, “Representation of solutions of differential equations in the polynomial form,” Usp. Mat. Nauk, 38, No. 2, 228–229 (1983).

    Google Scholar 

  2. A. V. Babin, “On the polynomial solvability of differential equations with coefficients from the classes of infinitely differentiable functions,” Mat. Zametki, 34, No 2, 249–260 (1983).

    MathSciNet  Google Scholar 

  3. A. V. Babin, “Solution of the Cauchy problem with the help of weight approximations of the exponents by polynomials,” Funkts. Anal. Prilozhen., 17, No. 4, 75–76 (1983).

    Google Scholar 

  4. A. V. Babin, “Construction and investigation of the solutions of differential equations by methods of the theory of approximation of functions,” Mat. Sb., 123, No. 2, 147–174 (1984).

    MathSciNet  MATH  Google Scholar 

  5. M. L. Gorbachuk and V. V. Gorodetskii, “On the solutions of differential equations in Hilbert spaces,” Usp. Mat. Nauk, 39, No. 4, 140 (1984).

    Google Scholar 

  6. V. V. Gorodetskii and M. L. Gorbachuk, “Polynomial approximation of solutions of operator-differential equations in a Hilbert space,” Ukr. Mat. Zh., 36, No. 4, 500–502 (1984); English translation: Ukr. Math. J., 36, No. 4, 409–411 (1984).

  7. P. K. Suetin, Classical Orthogonal Polynomials [in Russia], Nauka, Moscow (1976).

    Google Scholar 

  8. V. I. Gorbachuk and M. L. Gorbachuk, Boundary-Value Problems for Differential-Operator Equations [in Russian], Naukova Dumka, Kiev (1984).

    MATH  Google Scholar 

  9. L. I. Vainerman, “Hyperbolic equations with degeneration in Hilbert spaces,” Sib. Mat. Zh., 18, No. 4, 736–746 (1977).

    Google Scholar 

  10. W. B. Caton and E. Hille, “Laguerre polynomials and Laplace integrals,” Duke Math. J., 12, No. 2, 217–242 (1945).

    Article  MathSciNet  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to V. V. Horodets’kyi.

Additional information

Translated from Neliniini Kolyvannya, Vol. 22, No. 3, pp. 341–349, July–September, 2019.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Horodets’kyi, V.V., Martynyuk, O.V. Approximate Solutions of One Abstract Cauchy Problem. J Math Sci 253, 230–241 (2021). https://doi.org/10.1007/s10958-021-05224-6

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10958-021-05224-6

Navigation