Browsing by Author "Yalcin, Sibel"
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Publication Coefficient estimates for certain subclasses of analytic functions defined by new operator(Amer Inst Physics, 2021-01-01) Cakalli, H; Kocinac, LDR; Ashyralyev, A; Harte, R; Dik, M; Canak, I; Kandemir, HS; Tez, M; Gurtug, O; Savas, E; Akay, KU; Ucgun, FC; Uyaver, S; Ashyralyyev, C; Sezer, SA; Turkoglu, AD; Onvural, OR; Sahin, H; Bayram, Hasan; BAYRAM, HASAN; Yalcin, Sibel; YALÇIN TOKGÖZ, SİBEL; Bursa Uludağ Üniversitesi/Fen Edebiyat Fakültesi/Matematik Bölümü.; Bursa Uludağ Üniversitesi/Fen Edebiyat Fakültesi/Matematik Bölümü.; Cakalli, H; Kocinac, LDR; Ashyralyev, A; Harte, R; Dik, M; Canak, I; Kandemir, HS; Tez, M; Gurtug, O; Savas, E; Akay, KU; Ucgun, FC; Uyaver, S; Ashyralyyev, C; Sezer, SA; Turkoglu, AD; Onvural, OR; Sahin, H; 0000-0001-8106-6834; 0000-0002-0243-8263; B-1379-2014; AAE-9745-2020In this paper, we investigate certain subclasses of analytic functions defined by generalized differential operators involving binomial series. Also, we obtain coefficient estimates involving of the nonhomogeneous Cauchy-Euler differential equation of order r.Publication The (p, q)-chebyshev polynomial bounds of a general bi-univalent function class(Springer, 2020-07-01) Altinkaya, Sahsene; ALTINKAYA, ŞAHSENE; Yalcin, Sibel; YALÇIN TOKGÖZ, SİBEL; Bursa Uludağ Üniversitesi/Fen Edebiyat Fakültesi; 0000-0002-7950-8450; 0000-0002-0243-8263; AAA-8330-2021; AAE-9745-2020In the present paper, we will define the bi-univalent function class S.,mu S ( p, q) related to the ( p, q)-Chebyshev polynomials. Then we will derive the ( p, q)-Chebyshev polynomial bounds for the initial coefficients and determine Fekete-Szego functional for f. S.,mu S ( p, q).