THE ORDER OF ENTIRE FUNCTIONS OF BOUNDED INDEX IN DIRECTION

Authors

  • Andriy Ivanovych Bandura Ivano-Frankivs'k national technical university of oil and gas https://orcid.org/0000-0003-0598-2237
  • Halyna Mykhailivna Kulinich Ivano-Frankivs'k national technical university of oil and gas
  • Liubov Mykhailivna Shegda Ivano-Frankivs'k national technical university of oil and gas

Keywords:

entire function, bounded L -index in direction, directional derivative, linear differential equation, order of entire function

Abstract

Estimates of order of entire solutions for partial differential equations are obtained. These solutions are functions of bounded index in direction.

References

1. S. M. Shah, Entire functions of bounded index. Proc. Amer. Math. Soc. 19, 1017-1022 (1968).
2. H. Wittich, Neuere Untersuchungen fiber eindeutige analytische Funktionen. Berlin 1955.
3. Boo Sang Lee, S. M. Shah, The type of an entire function satisfying a linear differential equation // Arch. Math. – 1969. – 20, No 6. – P. 616-622.
4. Bandura A. I., Skaskiv O. B. Sufficient sets for boundedness L -index in direction for entire functions // Mat.Stud. – 2008. – 30, No 2. – P. 177-182.
5. Bandura A. I., Skaskiv O. B. Entire functions of bounded L -index in direction // Math. Stud. – 2007. – 27, No 1. – P. 30-52 (Ukrainian).

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Published

2019-03-06

How to Cite

Bandura, A. I., Kulinich, H. M., & Shegda, L. M. (2019). THE ORDER OF ENTIRE FUNCTIONS OF BOUNDED INDEX IN DIRECTION. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, (1(25), 22–25. Retrieved from https://pvntsh.nung.edu.ua/index.php/number/article/view/200

Issue

Section

Mathematics and Mechanics