Journals / Hacettepe Journal of Mathematics and Statistics / 2026 / Volume: 36 Issue: 1

A NEW DIFFERENTIAL INEQUALITY

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Publication Date
2007-01-01
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

We find conditions on the complex-valued function A : U → C defined in the unit disc U such that the differential inequality Re [A(z)p 2 (z) − α(zp 0 (z) − 1)2 + 2β(zp 0 (z))2 + γ] > 0 implies Re p(z) > 0, where p ∈ H[1, n], α, β ∈ C and n is a positive integer.

📌 3 Key Takeaways

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Objective & Hypothesis:We find conditions on the complex-valued function A : U → C defined in the unit disc U such that the differential inequality Re [A(z)p 2 (z) − α(zp 0 (z) − 1)2 + 2β(zp 0 (z))2 + γ] > 0 implies Re p(z) > 0, where p ∈ H[1, n], α, β ∈ C and n is a positive integer.
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Key Findings & Data:We find conditions on the complex-valued function A : U → C defined in the unit disc U such that the differential inequality Re [A(z)p 2 (z) − α(zp 0 (z) − 1)2 + 2β(zp 0 (z))2 + γ] > 0 implies Re p(z) > 0, where p ∈ H[1, n], α, β ∈ C and n is a positive integer.
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Conclusion & Impact:We find conditions on the complex-valued function A : U → C defined in the unit disc U such that the differential inequality Re [A(z)p 2 (z) − α(zp 0 (z) − 1)2 + 2β(zp 0 (z))2 + γ] > 0 implies Re p(z) > 0, where p ∈ H[1, n], α, β ∈ C and n is a positive integer.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Differential subordination · Dominant

Abstract

We find conditions on the complex-valued function A : U → C defined in the unit disc U such that the differential inequality Re [A(z)p 2 (z) − α(zp 0 (z) − 1)2 + 2β(zp 0 (z))2 + γ] > 0 implies Re p(z) > 0, where p ∈ H[1, n], α, β ∈ C and n is a positive integer.

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Cite This Article

Frasin, B. A. (2007). A NEW DIFFERENTIAL INEQUALITY. Hacettepe Journal of Mathematics and Statistics, Volume: 36 Issue: 1. https://ajindex.com/articles/1403787

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References (3)

  1. Miller, S. S. and Mocanu, P. T. Differential Subordinations. Theory and Applications (Marcel Dekker Inc., New York, Basel, 2000).
  2. Oros, Gh. I. On a differential inequality II, General Mathematics 10 (1-2), 33–36, 2002.
  3. Oros, Gh. I. and C˘ata¸s, A. A new differential inequality I, General Mathematics 11 (1-2), 47–52, 2003.