TY - JOUR T1 - Sharp coefficient estimates for $\vartheta$-spirallike functions involving generalized q-integral operator AU - Yavuz, Tuğba AU - Altınkaya, Şahsene PY - 2023 DA - December Y2 - 2023 DO - 10.31801/cfsuasmas.1300217 JF - Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics JO - Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat. PB - Ankara University WT - DergiPark SN - 1303-5991 SP - 1201 EP - 1210 VL - 72 IS - 4 LA - en AB - The aim of this article is to identify a new subfamily of spirallike functions and then to demonstrate necessary and sufficient conditions, sharp coefficients estimates for functions in this subfamily. KW - Spirallike function KW - coefficient estimate KW - subordination KW - q-integral operator. CR - Ahuja, O. P., Çetinkaya, A., Use of quantum calculus approach in mathematical sciences and its role in geometric function theory, AIP Conference Proceedings, 2095 (1) (2019), 1-14. CR - Altınkaya, Ş., On the inclusion properties for $\vartheta$-spirallike functions involving both Mittag-Leffler and Wright function, Turkish J. Math., 46 (3) (2022), 1119-1131. https://doi.org/10.55730/1300-0098.3147 CR - Aouf, M. K., Seoudy, T. M., Convolution properties for classes of bounded analytic functions with complex order defined by q-derivative operator, Rev. Real Acad. Cienc. Exactas Fis. Nat. Ser. A-Mat., 113 (2) (2019), 1279-1288. https://doi.org/10.1007/s13398-018-0545-5 CR - Bernardi, S. D., Convex and starlike univalent functions, Trans. Amer. Math. Soc., 135 (1969), 429–446. CR - Bulut, S., Certain subclasses of analytic and bi-univalent functions involving the q-derivative operator, Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat., 66 (1) (2017), 108-114. https://doi.org/10.1501/Commua1-0000000780 CR - Gasper, G., Rahman, M., Basic hypergeometric series, second edition, Encyclopedia of Mathematics and its Applications, 96, Cambridge University Press, Cambridge, 2004. CR - Govindaraj, M., Sivasubramanian, S., On a class of analytic functions related to conic domains involving q-calculus, Anal. Math., 43 (3) (2017), 475-487. https://doi.org/10.1007/s10476-017-0206-5 CR - Jackson, F.H., On q-functions and a certain difference operator, Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 46 (1908), 253–281. https://doi.org/10.1017/S0080456800002751 CR - Jackson, F. H., On q-definite integrals, Quart. J. Pure Appl. Math., 14 (1910), 193-203. CR - Libera, R. J., Univalent $\alpha$-spiral functions, Canadian Journal of Mathematics, 19 (1967), 449–456. CR - Mahmood, S., Raza, N., Abujarad, E. S. A., Srivastava, G., Srivastava, H. M., Malik, S. N., Geometric properties of certain classes of analytic functions associated with q-integral operators, Symmetry, 11 (2019), 719. CR - Mustafa, N., Korkmaz, S., The sharp inequality for the coefficients of certain subclass of analytic functions defined by q-derivative, Journal of Scientific and Engineering Research, 7 (4) (2020), 209-218. CR - Noor, K. I., Riaz, S., Noor, M. A., On q-Bernardi integral operator, TWMS J. Pure Appl. Math., 8 (1) (2017), 3–11. CR - Purohit, S. D., Raina, R. K., Certain subclasses of analytic functions associated with fractional q-calculus operators, Mathematica Scandinavica, (2011), 55-70. CR - Raza, M, Srivastava, H. M., Arif, M., Ahmad, K., Coefficient estimates for a certain family of analytic functions involving a q-derivative operator, Ramanujan J., 55 (1) (2021), 53-71. https://doi.org/10.1007/s11139-020-00338-y CR - Shareef, Z., Hussain, S., Darus, M., Convolution operators in the geometric function theory, J. Inequal. Appl., 2012 (2012), 213. CR - Spacek, L., Contribution a la theorie des fonctions univalentes, Casopis Pro Pestovani Matematiky a Fysiky, 62 (1933), 12–19. CR - Srivastava, H. M., Univalent functions, fractional calculus, and associated generalized hypergeometric functions, in Univalent Functions, Fractional Calculus, and Their Applications (H. M. Srivastava and S. Owa, Editors), Halsted Press (Ellis Horwood Limited, Chichester), John Wiley and Sons, New York, Chichester, Brisbane and Toronto, 1989. CR - Srivastava, H. M., Operators of basic (or q-) calculus and fractional q-calculus and their applications in geometric function theory of complex analysis, Iran J Sci Technol Trans Sci., 44 (1) (2020), 327-344. https://doi.org/10.1007/s40995-019-00815-0 CR - Xu, Q. H., Cai, Q. M., Srivastava, H. M., Sharp coefficient estimates for certain subclasses of starlike functions of complex order, Appl. Mathe. Comput., 225 (2013), 43-49. CR - Yavuz, T., Coefficient estimates for certain subclass for spirallike functions defined by means of generalized Attiya-Srivastava operator, Commun. Korean Math. Soc., 31 (4) (2016), 703-712. UR - https://doi.org/10.31801/cfsuasmas.1300217 L1 - https://dergipark.org.tr/en/download/article-file/3156044 ER -