COEFFICIENT INEQUALITIES FOR SUBCLASSES OF ANALYTIC FUNCTIONS BASED ON QUASI-SUBORDINATION AND MAJORIZATION RELATED WITH SIGMOID FUNCTIONS

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Vanitha L., Ramachandran C., Murugusundaramoorthy G., ORHAN H.

Mathematica, cilt.64, sa.1, ss.130-148, 2022 (Scopus)

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 64 Sayı: 1
  • Basım Tarihi: 2022
  • Doi Numarası: 10.24193/mathcluj.2022.1.15
  • Dergi Adı: Mathematica
  • Derginin Tarandığı İndeksler: Scopus, zbMATH
  • Sayfa Sayıları: ss.130-148
  • Anahtar Kelimeler: majorization, quasi-subordination, subordination, Univalent function
  • Açık Arşiv Koleksiyonu: AVESİS Açık Erişim Koleksiyonu
  • Atatürk Üniversitesi Adresli: Evet

Özet

© 2022, Publishing House of the Romanian Academy. All rights reserved.In the present paper, we estimate the coefficient bounds for certain subclasses of the starlike and convex functions using quasi-subordination and majorization relating with sigmoid functions.