Skip to main content
Log in

Linear transform that preserve real roots of polynomials

  • Published:
Analysis and Mathematical Physics Aims and scope Submit manuscript

Abstract

In the present paper we introduce a mechanism for generation a new class of linear transformations that preserve real roots of polynomials by using the theory of variation diminishing kernel.

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. Dhaouadi, L., Islem, I., Elmonser, H.: \(q\)-Macdonald function as a variation diminishing *\(q\)-kernel. J. Anal. 30, 1157–1177 (2022)

    Article  MathSciNet  Google Scholar 

  2. Dhaouadi, L.: On the \(q\)-Bessel Fourier transform. Bull. Math. Anal. Appl. 52, 42–60 (2013)

    MathSciNet  Google Scholar 

  3. Fitouhi, A., Hamza, M., Bouzeffour, F.: The \(q\)-\(j_{\alpha }\) Bessel function. J. Approx. Theory 115, 144–166 (2002)

    Article  MathSciNet  Google Scholar 

  4. Fisk, S.: Polynomials, roots, and interlacing. arXiv:math/0612833v2

  5. Forgacs, T., Piotrwsk, A.: Multiplier sequences for generalized Laguerre bases. Rocky Mt. J. Math. 43(4), 1141–1159 (2013)

    Article  MathSciNet  Google Scholar 

  6. Gasper, G., Rahman, M.: Basic hypergergeometric series, Encycopedia of mathematics and its applications. Cambridge University Press, Cambridge (1990)

    Google Scholar 

  7. Hirschman, I.I., Jr.: Variation diminishing Hankel transforms. J. Anal. Math. 8, 307–336 (1961)

    Article  MathSciNet  Google Scholar 

  8. Iserles, A., Norsett, S.P.: Zeros of transformed polynomials. Math. Anal. 2, 483–509 (1990)

    MathSciNet  Google Scholar 

  9. Iserles, A., Saff, E.B.: Zeros of expansions in orthogonal polynomials. Math. Proc. Camb. Phil. Soc. 105, 559–573 (1989)

    Article  MathSciNet  Google Scholar 

  10. Jackson, F.H.: On a \(q\)-definite integrals. Q. J. Pure Appl. Math. 41, 193–203 (1910)

    Google Scholar 

  11. Koornwinder, T.H., Swarttouw, R.F.: On \(q\)-analogues of the Hankel and Fourier transforms. Trans. Am. Math. Soc. 333, 445–461 (1992)

    Google Scholar 

  12. Moak, D.: The \(q\)-analogue of the Laguerre polynomials. J. Math. Anal. Appl. 81, 20–47 (1981)

    Article  MathSciNet  Google Scholar 

  13. Trimèche, K.: Generalized Harmonic analysis and wavelet packets: an elementary treatment of theory and applications. CRC Press, Boca Raton (2001)

    Google Scholar 

  14. Swarttouw, RF.: The Hahn-Exton \(q\)-Bessel functions. In: PhD Thesis. Delft Technical University (1992)

  15. Pólya, G., Schur, J.: Über zwei arten von factorenfolgen in der theorie der algebraischen gleichungen. Journal fur die reine und angewandtemathematik 144, 89–113 (1914)

    Google Scholar 

  16. Piotrowski, A.: Linear operators and the distribution of zeros of entire functions. In: Ph.D. Dissertation, University of Hawai‘i (2007)

  17. Watson, G.N.: A Treatise on the theory of Bessel functions, 2nd edn. Cambridge University Press, Cambridge (1966)

    Google Scholar 

Download references

Funding

This work was supported by the DGRST research grant LR21ES10.

Author information

Authors and Affiliations

Authors

Contributions

All authors confirm contribution to the paper: study conception and design,analysis and interpretation of results. All authors reviewed the results and approved the final version of the manuscript.

Corresponding author

Correspondence to Lazhar Dhaouadi.

Ethics declarations

Conflict of interest

The authors declare no competing interests.

Additional information

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Dhaouadi, L., Saidani, I. Linear transform that preserve real roots of polynomials. Anal.Math.Phys. 14, 65 (2024). https://doi.org/10.1007/s13324-024-00929-8

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • DOI: https://doi.org/10.1007/s13324-024-00929-8

Keywords

Mathematics Subject Classification

Navigation