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Year 2019, Volume: 68 Issue: 2, 2161 - 2169, 01.08.2019
https://doi.org/10.31801/cfsuasmas.515557

Abstract

References

  • Altıntaş, O., Özkan, Ö. and Srivastava, H. M., Neighborhoods of a class of analytic functions with negative coefficients, Appl. Math. Lett. 13 (3), (2000), 63-67.
  • Jack, I. S., Functions starlike and convex of order θ, J. London Math. Soc. 2 (3), (1971), 469-474.
  • Orhan, H. and Kadıoğlu, E., Neighborhoods of a class of analytic functions with negative coefficients, Tamsui Oxford Journal of Math. Sci. 20 (2), (2004), 135-142.
  • Orhan, H. and Kamali, M., Neighborhoods of a class of analytic functions with negative coefficients, Acta Mathematica Academiae Paedagogiace Nyíregyháziensi, 21 (1), (2005), 55-61.
  • Orhan, H., Kamali, M. and Owa, S., On neighborhoods of analytic functions, Proceedings of the International Symposium on Complex Function Theory and Applications, Transilvania University Prointing House, 1-5, Braşov, Romania, ISBN 973-635-8287-5, September 2006.
  • Srivastava, H. M. and Orhan, H., Coefficient inequalities and inclusion for some families of analytic and multivalent functions, Applied Math. Letters 20, (2007), 686-691.
  • Orhan, H., Kadıoğlu, E. and Owa, S., (θ,μ)- Neighborhoods for certain analytic functions, Proceeding Book of the International Symposium on Geometric functions theory and applications, T.C. Istanbul Kultur University Publications, 20-24, Istanbul, Turkey, ISBN 9789756957929, August 2007.
  • Fadipe-Joseph, O. A., Oladipo, A. T. and Ezeafulukwe, U. A., Modified sigmoidfunction in univalent function theory, International Journal of Mathematical Sciences and Engineering Application, 7 (7), (2013), 313-317.
  • Fadipe-Joseph, O. A., Olatunji, S.O., Oladipo, A. T. and Moses, B.O., Certain subclasses of univalent functions, ICWM 2014 Presentation Book, International Congress of Women Mathematicians Seoul, Korea, (2014), 154-157.

(θ,μ,τ)-neighborhood for analytic functions involving modified sigmoid function

Year 2019, Volume: 68 Issue: 2, 2161 - 2169, 01.08.2019
https://doi.org/10.31801/cfsuasmas.515557

Abstract

In the present investigation we discuss the neighborhoods of analytic functions defined by using modified sigmoid function. Further, we also give some applications of Jack's lemma.

References

  • Altıntaş, O., Özkan, Ö. and Srivastava, H. M., Neighborhoods of a class of analytic functions with negative coefficients, Appl. Math. Lett. 13 (3), (2000), 63-67.
  • Jack, I. S., Functions starlike and convex of order θ, J. London Math. Soc. 2 (3), (1971), 469-474.
  • Orhan, H. and Kadıoğlu, E., Neighborhoods of a class of analytic functions with negative coefficients, Tamsui Oxford Journal of Math. Sci. 20 (2), (2004), 135-142.
  • Orhan, H. and Kamali, M., Neighborhoods of a class of analytic functions with negative coefficients, Acta Mathematica Academiae Paedagogiace Nyíregyháziensi, 21 (1), (2005), 55-61.
  • Orhan, H., Kamali, M. and Owa, S., On neighborhoods of analytic functions, Proceedings of the International Symposium on Complex Function Theory and Applications, Transilvania University Prointing House, 1-5, Braşov, Romania, ISBN 973-635-8287-5, September 2006.
  • Srivastava, H. M. and Orhan, H., Coefficient inequalities and inclusion for some families of analytic and multivalent functions, Applied Math. Letters 20, (2007), 686-691.
  • Orhan, H., Kadıoğlu, E. and Owa, S., (θ,μ)- Neighborhoods for certain analytic functions, Proceeding Book of the International Symposium on Geometric functions theory and applications, T.C. Istanbul Kultur University Publications, 20-24, Istanbul, Turkey, ISBN 9789756957929, August 2007.
  • Fadipe-Joseph, O. A., Oladipo, A. T. and Ezeafulukwe, U. A., Modified sigmoidfunction in univalent function theory, International Journal of Mathematical Sciences and Engineering Application, 7 (7), (2013), 313-317.
  • Fadipe-Joseph, O. A., Olatunji, S.O., Oladipo, A. T. and Moses, B.O., Certain subclasses of univalent functions, ICWM 2014 Presentation Book, International Congress of Women Mathematicians Seoul, Korea, (2014), 154-157.
There are 9 citations in total.

Details

Primary Language English
Subjects Mathematical Sciences
Journal Section Review Articles
Authors

Murat Çağlar 0000-0001-8147-0343

Halit Orhan 0000-0001-5993-6258

Publication Date August 1, 2019
Submission Date January 21, 2019
Acceptance Date May 31, 2019
Published in Issue Year 2019 Volume: 68 Issue: 2

Cite

APA Çağlar, M., & Orhan, H. (2019). (θ,μ,τ)-neighborhood for analytic functions involving modified sigmoid function. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics, 68(2), 2161-2169. https://doi.org/10.31801/cfsuasmas.515557
AMA Çağlar M, Orhan H. (θ,μ,τ)-neighborhood for analytic functions involving modified sigmoid function. Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat. August 2019;68(2):2161-2169. doi:10.31801/cfsuasmas.515557
Chicago Çağlar, Murat, and Halit Orhan. “(θ,μ,τ)-Neighborhood for Analytic Functions Involving Modified Sigmoid Function”. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics 68, no. 2 (August 2019): 2161-69. https://doi.org/10.31801/cfsuasmas.515557.
EndNote Çağlar M, Orhan H (August 1, 2019) (θ,μ,τ)-neighborhood for analytic functions involving modified sigmoid function. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics 68 2 2161–2169.
IEEE M. Çağlar and H. Orhan, “(θ,μ,τ)-neighborhood for analytic functions involving modified sigmoid function”, Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat., vol. 68, no. 2, pp. 2161–2169, 2019, doi: 10.31801/cfsuasmas.515557.
ISNAD Çağlar, Murat - Orhan, Halit. “(θ,μ,τ)-Neighborhood for Analytic Functions Involving Modified Sigmoid Function”. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics 68/2 (August 2019), 2161-2169. https://doi.org/10.31801/cfsuasmas.515557.
JAMA Çağlar M, Orhan H. (θ,μ,τ)-neighborhood for analytic functions involving modified sigmoid function. Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat. 2019;68:2161–2169.
MLA Çağlar, Murat and Halit Orhan. “(θ,μ,τ)-Neighborhood for Analytic Functions Involving Modified Sigmoid Function”. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics, vol. 68, no. 2, 2019, pp. 2161-9, doi:10.31801/cfsuasmas.515557.
Vancouver Çağlar M, Orhan H. (θ,μ,τ)-neighborhood for analytic functions involving modified sigmoid function. Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat. 2019;68(2):2161-9.

Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics.

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