On Equalities for Powers of Singular Differential Operators with Singularity at Zero

Authors

  • Sergey M. Sitnik Belgorod National Research University
  • Ольга Викторовна Чернова Belgorod National Research University

DOI:

https://doi.org/10.52575/2687-0959-2026-58-1-29-43

Keywords:

Bessel Operator, Hypergeometric Function, Legeandre Function, Taylor Formular

Abstract

In the paper we consider explicit realizations in the integral form of fractional powers of Bessel operators. For them connections with Hankel and Mellin transforms and fractional operators are considered. Also Taylor–type formulas are derived with remainder term. The results are important for the theory of partial differential equations, especially with Laplace – Bessel operator.

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Author Biographies

Sergey M. Sitnik, Belgorod National Research University

Doctor of Physical and Mathematical Sciences, Professor, Professor of the Department of Applied Mathematics and Computer Modelling, Belgorod National Research University,
Belgorod, Russia
E-mail: sitnik@bsuedu.ru
ORCID: 0000-0001-9661-4338

Ольга Викторовна Чернова, Belgorod National Research University

Candidate of Physical and Mathematical Sciences, Assosiate Professor, Assosiate Professor of the Department of Applied Mathematics and Computer Modelling, Belgorod National Research University,
Belgorod, Russia
E-mail: Chernova_Olga@bsuedu.ru
ORCID: 0000-0002-4175-5448

References

References

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Shishkina EL., Sitnik SM. Fractional Bessel Integrals and Derivatives on Semi-axes. 2020, P. 615–651. In the book: Kravchenko Vladislav, Sitnik Sergei M. (Eds.) Transmutation Operators and Applications. Trends in Mathematics. 2020, Birkhauser Basel, Springer Nature Switzerland AG, Basel.

Shishkina EL., Sitnik SM. On fractional powers of Bessel operators. Journal of Inequalities and Special Functions. (Special issue To honor Prof. Ivan Dimovski’s contributions). 2017;8(1):49–67.

Samko S., Kilbas AA., Marichev OI. Fractional Integrals and Derivatives: Theory and Applications. Gordon and Breach Science Publishers. Yveron; 1993. 1012 p.

Kilbas AA., Srivastava HM., Truhillo JJ. Theory and Applications of Fractional Differential Equations. Elsevier, Amsterdam; 2006. 540 p.

Kiryakova V. Generalized Fractional Calculus and Applications.— Pitman Research Notes in Mathematics Series. No. 301. Longman Sci. UK; 1994. 402 p.

Sitnik SM., Shishkina EL. Method of Transmutations for Differential Equations with Bessel operators. Moscow, Fizmatlit; 2019, 224 p.

Katrakhov VV., Sitnik SM. The transmutation method and boundary-value problems for singular elliptic equations. Contemporary Mathematics. Fundamental Directions. 2018;64(2):211–426.


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Published

2026-03-30

How to Cite

Sitnik, S. M., & Чернова, О. В. (2026). On Equalities for Powers of Singular Differential Operators with Singularity at Zero. Applied Mathematics & Physics, 58(1), 29-43. https://doi.org/10.52575/2687-0959-2026-58-1-29-43

Issue

Section

Mathematics