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Coefficient inequalities for Janowski type close-to-convex functions associated with Ruscheweyh Derivative Operator

Year 2019, Volume: 23 Issue: 5, 714 - 717, 01.10.2019
https://doi.org/10.16984/saufenbilder.511321

Abstract

The aim of this paper  is to
introduce a new subclasses of the Janowski type close-to-convex functions
defined by Ruscheweyh derivative operator and obtain coefficient bounds
belonging to this class. 

References

  • [1] R. M. Goel, B. C. Mehrok, “A subclass of starlike functions with respect to symmetric points” , Tamkang Journal of Mathematics, Vol. 13, No. 1, 11–24, 1982. [2] W. Janowski, “Some extremal problems for certain families of analytic functions”, Ann. Pol. Math., 28, 297-326, 1973.[3] W. Kaplan, “Close-to-convex schlicht functions”, Michigan Math. J., 1, 169-185, 1952.[4] M. O. Reade, “ On close-to-convex univalent functions”, Michigan Math. J., Volume 3, Issue 1, 59-62, 1955.[5] S. Ruscheweyh, “New criteria for univalent functions”, Proc. Amer. Math. Soc., 49, 109- 115, 1975.
Year 2019, Volume: 23 Issue: 5, 714 - 717, 01.10.2019
https://doi.org/10.16984/saufenbilder.511321

Abstract

References

  • [1] R. M. Goel, B. C. Mehrok, “A subclass of starlike functions with respect to symmetric points” , Tamkang Journal of Mathematics, Vol. 13, No. 1, 11–24, 1982. [2] W. Janowski, “Some extremal problems for certain families of analytic functions”, Ann. Pol. Math., 28, 297-326, 1973.[3] W. Kaplan, “Close-to-convex schlicht functions”, Michigan Math. J., 1, 169-185, 1952.[4] M. O. Reade, “ On close-to-convex univalent functions”, Michigan Math. J., Volume 3, Issue 1, 59-62, 1955.[5] S. Ruscheweyh, “New criteria for univalent functions”, Proc. Amer. Math. Soc., 49, 109- 115, 1975.
There are 1 citations in total.

Details

Primary Language English
Subjects Mathematical Sciences
Journal Section Research Articles
Authors

Öznur Özkan Kılıç 0000-0003-4209-9320

Publication Date October 1, 2019
Submission Date January 10, 2019
Acceptance Date January 28, 2019
Published in Issue Year 2019 Volume: 23 Issue: 5

Cite

APA Özkan Kılıç, Ö. (2019). Coefficient inequalities for Janowski type close-to-convex functions associated with Ruscheweyh Derivative Operator. Sakarya University Journal of Science, 23(5), 714-717. https://doi.org/10.16984/saufenbilder.511321
AMA Özkan Kılıç Ö. Coefficient inequalities for Janowski type close-to-convex functions associated with Ruscheweyh Derivative Operator. SAUJS. October 2019;23(5):714-717. doi:10.16984/saufenbilder.511321
Chicago Özkan Kılıç, Öznur. “Coefficient Inequalities for Janowski Type Close-to-Convex Functions Associated With Ruscheweyh Derivative Operator”. Sakarya University Journal of Science 23, no. 5 (October 2019): 714-17. https://doi.org/10.16984/saufenbilder.511321.
EndNote Özkan Kılıç Ö (October 1, 2019) Coefficient inequalities for Janowski type close-to-convex functions associated with Ruscheweyh Derivative Operator. Sakarya University Journal of Science 23 5 714–717.
IEEE Ö. Özkan Kılıç, “Coefficient inequalities for Janowski type close-to-convex functions associated with Ruscheweyh Derivative Operator”, SAUJS, vol. 23, no. 5, pp. 714–717, 2019, doi: 10.16984/saufenbilder.511321.
ISNAD Özkan Kılıç, Öznur. “Coefficient Inequalities for Janowski Type Close-to-Convex Functions Associated With Ruscheweyh Derivative Operator”. Sakarya University Journal of Science 23/5 (October 2019), 714-717. https://doi.org/10.16984/saufenbilder.511321.
JAMA Özkan Kılıç Ö. Coefficient inequalities for Janowski type close-to-convex functions associated with Ruscheweyh Derivative Operator. SAUJS. 2019;23:714–717.
MLA Özkan Kılıç, Öznur. “Coefficient Inequalities for Janowski Type Close-to-Convex Functions Associated With Ruscheweyh Derivative Operator”. Sakarya University Journal of Science, vol. 23, no. 5, 2019, pp. 714-7, doi:10.16984/saufenbilder.511321.
Vancouver Özkan Kılıç Ö. Coefficient inequalities for Janowski type close-to-convex functions associated with Ruscheweyh Derivative Operator. SAUJS. 2019;23(5):714-7.

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