A unified approach for univalent functions with negative coefficients using the Hadamard product
For given analytic functions ϕ(z) = z + Σ n=2 ∞ λ n z n , Ψ(z) = z + Σ n=2 ∞ μ with λ n ≥ 0, μ n ≥ 0, and λ n ≥ μ n and for α, β (0≤α
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| Date: | 1997 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
| Published: |
Institute of Mathematics, NAS of Ukraine
1997
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| Online Access: | https://umj.imath.kiev.ua/index.php/umj/article/view/5113 |
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| Journal Title: | Ukrains’kyi Matematychnyi Zhurnal |
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Ukrains’kyi Matematychnyi Zhurnal| Summary: | For given analytic functions ϕ(z) = z + Σ n=2 ∞ λ n z n , Ψ(z) = z + Σ n=2 ∞ μ with λ n ≥ 0, μ n ≥ 0, and λ n ≥ μ n and for α, β (0≤α |
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