Fekete-Szego Problem for a Subclass of Analytic Functions Associated with Chebyshev Polynomials

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Caglar M., Orhan H., Kamali M.

BOLETIM SOCIEDADE PARANAENSE DE MATEMATICA, cilt.40, 2022 (ESCI) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 40
  • Basım Tarihi: 2022
  • Doi Numarası: 10.5269/bspm.51024
  • Dergi Adı: BOLETIM SOCIEDADE PARANAENSE DE MATEMATICA
  • Derginin Tarandığı İndeksler: Emerging Sources Citation Index (ESCI), Scopus, zbMATH, Directory of Open Access Journals
  • Anahtar Kelimeler: Analytic and univalent functions, Subordination, Coefficient bounds, Chebyshev polynomial, Fekete-Szego problem
  • Atatürk Üniversitesi Adresli: Evet

Özet

In this paper, we obtain initial coefficients vertical bar a(2)vertical bar and vertical bar a(3)vertical bar for a certain subclass by means of Chebyshev polynomials expansions of analytic functions in D. Also, we solve Fekete-Szego problem for functions in this subclass.