Second Hankel determinant for certain subclasses of bi-univalent functions involving Chebyshev polynomials
TURKISH JOURNAL OF MATHEMATICS, cilt.42, sa.4, ss.1927-1940, 2018 (SCI-Expanded, Scopus, TRDizin)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 42 Sayı: 4
- Basım Tarihi: 2018
- Doi Numarası: 10.3906/mat-1706-83
- Dergi Adı: TURKISH JOURNAL OF MATHEMATICS
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, TR DİZİN (ULAKBİM)
- Sayfa Sayıları: ss.1927-1940
- Anahtar Kelimeler: Univalent function, bi-univalent function, coefficient bounds, Chebyshev polynomial, Hankel determinant, convolution
- Atatürk Üniversitesi Adresli: Evet
Özet
In this paper our purpose is to find the upper bound estimate for the second Hankel determinant vertical bar a(2)a(4) - a(3)(2)vertical bar for functions defined by convolution belonging to the class N-sigma(mu,delta )(lambda, t) by using Chebyshev polynomials.