Far East Journal of Mathematical Sciences (FJMS)

The Far East Journal of Mathematical Sciences (FJMS) publishes original research papers and survey articles in pure and applied mathematics, statistics, mathematical physics, and other related fields. It welcomes application-oriented work as well.

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ON CLOSELY RELATED TO STARLIKE FUNCTIONS WITH RESPECT TO A BOUNDARY POINT

Authors

  • Jae Ho Choi

Keywords:

analytic functions, Carathéodory functions, univalent functions, starlike functions, coefficient estimates

DOI:

https://doi.org/10.17654/0972087126010

Abstract

In the present work, we introduce a new class of analytic functions in the open unit disk that is closely related to the class of starlike functions of order α with respect to a boundary point. For this class, we obtain Herglotz representation theorem and interesting coefficient estimates including several examples. Furthermore, several corollaries are also considered, some of which extend and improve the results obtained in [3].

 

References

[1] D. Aharonov, M. Elin and D. Shoikhet, Spiral-like functions with respect to a boundary point, J. Math. Anal. Appl. 280 (2003), 17-29.

[2] P. L. Duren, Univalent Function, Grundlehren der Mathematischen Wissenschaften 259, Springer-Verlag, New York, Berlin, Heidelberg and Tokyo, 1983.

[3] K. Dhurai, N. E. Cho and S. Sivasubramanian, On a class of anaytic functions closely to starlike functions with respect to a boundary point, AIMS Math. 8 (2023), 23146-23163.

[4] A. W. Goodman, Univalent Function, Vols. 1-2, Mariner, Tampa and Florida, 1983.

[5] Z. J. Jakubowski and A. Włodarczyk, On some classes of functions of Robertson type, Ann. Univ. Mariae Curie-Skłodowska Sect. A 59 (2005), 27-42.

[6] A. Lecko, On the class of functions starlike with respect to a boundary point, J. Math. Anal. Appl. 261 (2001), 649-664.

[7] A. Lecko, -spirallike functions with respect to a boundary point, Rocky Mountain J. Math. 38 (2008), 979-992.

[8] A. Lyzzaik, On a conjecture of M. S. Robertson, Proc. Amer. Math. Soc. 91 (1984), 108-110.

[9] W. C. Ma and D. Minda, A unified treatment of some special classes of univalent functions, Proceedings of the Conference on Complex Analysis, Tianjin, China, 1992, pp. 157-169.

[10] M. H. Mohd and M. Darus, Starlike function with respect to a boundary point defined by subordination, Adv. Math. Sci. J. 1 (2012), 15-21.

[11] M. S. Robertson, Univalent functions starlike with respect to a boundary point, J. Math. Anal. Appl. 35 (1981), 327-345.

[12] H. Silverman and E. M. Silvia, Subclasses of univalent functions starlike with respect to a boundary point, Houston J. Math. 16 (1990), 289-299.

[13] D. Styer, On weakly starlike univalent functions, J. Analyse Math. 26 (1973), 217 233.

[14] P. G. Todorov, On the univalent functions starlike with respect to a boundary point, Proc. Amer. Math. Soc. 97 (1986), 602-604.

Published

2025-10-16

Issue

Section

Articles

How to Cite

ON CLOSELY RELATED TO STARLIKE FUNCTIONS WITH RESPECT TO A BOUNDARY POINT. (2025). Far East Journal of Mathematical Sciences (FJMS), 143(1), 151-163. https://doi.org/10.17654/0972087126010

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