Second Hankel determinant for certain subclasses of bi-univalent functions involving Chebyshev polynomials

ORHAN H., Toklu E., KADIOĞLU E.

TURKISH JOURNAL OF MATHEMATICS, cilt.42, sa.4, ss.1927-1940, 2018 (SCI-Expanded) identifier identifier

  • 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, ANALYTIC-FUNCTIONS, COEFFICIENT INEQUALITY, CONVEX-FUNCTIONS, STARLIKE, BOUNDS
  • 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.