SUBCLASSES OF SPIRALLIKE FUNCTIONS DEFINED BY RUSCHEW EYH DERIVATIVES

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Published: Mar 1, 1997
DOI: https://doi.org/10.5556/j.tkjm.28.1997.4335
Keywords:
Ruscheweyh derivative convolution Spirallike functions subordination

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SUBHAS S. BHOOSNURMATH
Dept. of Mathematics, Karnatak University, Dharwad-580 003, India.
MANJUNATH V. DEVADAS
Dept. of Mathematics, B. V. B. College of Engg. & Tech., Hubli-580 031, India.

Abstract




An attempt is being made perhaps for the first time, to relate the spirallike functions with the concept of Ruscheweyh derivatives. A new subclass of spirallike functions is introduced with the help of Ruscheweyh derivatives.




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How to Cite
BHOOSNURMATH, S. S., & DEVADAS, M. V. (1997). SUBCLASSES OF SPIRALLIKE FUNCTIONS DEFINED BY RUSCHEW EYH DERIVATIVES. Tamkang Journal of Mathematics, 28(1), 59–65. https://doi.org/10.5556/j.tkjm.28.1997.4335
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Vol. 28 No. 1 (1997)
Section
Papers
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References

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S. Ruscheweyh, "New criteria for univalent functions," Proc. Amer. Math. Soc., 49 (1975), 109-115.