Dergiler / Konuralp Journal of Mathematics / 2017 / Volume: 5 Issue: 2

AN APPLICATION OF CARATHEODORY FUNCTIONS

Sayfa
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Yayın Tarihi
2017-10-15
DOI
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The object of the present paper is to discuss some interesting coefficient inequalities for $q(z)$ in the class $\mathcal{Q}(\beta)$.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Let $\mathcal{P}(\alpha)$ be the class of functions $p(z)$ which are Carath\'eodory functions of order $\alpha \,(0 \leqq \alpha < 1)$ in the open unit disk $\mathbb{U}$.
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Temel Bulgular & Veri:In view of the extremal function $L_0(\alpha;z)$ for the class $\mathcal{P}(\alpha)$, a new class $\mathcal{Q}(\beta)$ of functions $q(z)$ is introduced.
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Sonuç & Katkı:The object of the present paper is to discuss some interesting coefficient inequalities for $q(z)$ in the class $\mathcal{Q}(\beta)$.
🔬Tür:Research Article
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Analytic function · Carath\'eodory function · extremal function

Abstract

Let $\mathcal{P}(\alpha)$ be the class of functions $p(z)$ which are Carath\'eodory functions of order $\alpha \,(0 \leqq \alpha < 1)$ in the open unit disk $\mathbb{U}$. In view of the extremal function $L_0(\alpha;z)$ for the class $\mathcal{P}(\alpha)$, a new class $\mathcal{Q}(\beta)$ of functions $q(z)$ is introduced. The object of the present paper is to discuss some interesting coefficient inequalities for $q(z)$ in the class $\mathcal{Q}(\beta)$.

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Bu Makaleye Atıf Yap

Owa, S. (2017). AN APPLICATION OF CARATHEODORY FUNCTIONS. Konuralp Journal of Mathematics, Volume: 5 Issue: 2. https://ajindex.com/articles/1521813

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Kaynakça (7)

  1. A. A. Attiya and M. A. Nasr, On sucient conditions for Caratheodory functions with applications, J. Inequ. Appl. 2013, No.191 (2013), 1 -10.
  2. C. Caratheodory,  Uber den Variabilitatsbereich der Koeffzienten von Potenzreihen, die gegebene werte nicht annehmen, Math. Ann. 64(1907), 95-115.
  3. A. W. Goodman, Univalent Functions, Vol. I, Mariner Publ. Comp., Tampa, Florida, 1983
  4. I. H. Kim and N. E. Cho, Sufficient conditions for Caratheodory functions, Comp. Math. Appl. 59(2010), 2067- 2073.
  5. M. Nunokawa, S. Owa, N. Takahashi and H. Saitoh, Sufficient conditions for Caratheodory functions, Indian J. Pure Appl. Math. 33(2002), 1385-1390.
  6. N. Xu, Sufficient conditions and applications for Caratheodoty functions, J. Math. 2013, Article ID 930290 (2013), 1-4.
  7. A. A. Attiya and M. A. Nasr, On sucient conditions for Caratheodory functions with applications, J. Inequ. Appl. 2013, No.191 (2013), 1 -10.