Note on λ- pseudo bi-starlike and bi-convex functions related with sine functions

In this paper we introduce two new classes ℬΣλ(μ) of λ-pseudo bi-starlike functions and 𝒦ℬΣλ(μ) of λ-pseudo bi-convex functions. Also, we determine the bounds for |a2| and |a3| where a2, a3 are the initial Taylor coefficients of f∈ℬΣλ(μ) and f∈𝒦ℬΣλ(μ), respectively. Furthermore, we estimate the Fekete-Szegö functionals for the functions in these classes.

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Publication Details

Journal
SHILAP Revista de lepidopterología
Published
2025-04-01
Primary Topic
American Jewish Fiction Analysis
Type
article
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article

Note on λ- pseudo bi-starlike and bi-convex functions related with sine functions

SHILAP Revista de lepidopterología
American Jewish Fiction Analysis
article

Note on λ- pseudo bi-starlike and bi-convex functions related with sine functions

article en

Abstract

In this paper we introduce two new classes ℬΣλ(μ) of λ-pseudo bi-starlike functions and 𝒦ℬΣλ(μ) of λ-pseudo bi-convex functions. Also, we determine the bounds for |a2| and |a3| where a2, a3 are the initial Taylor coefficients of f∈ℬΣλ(μ) and f∈𝒦ℬΣλ(μ), respectively. Furthermore, we estimate the Fekete-Szegö functionals for the functions in these classes.

SHILAP Revista de lepidopterología
Dicle University (TR), Vellore Institute of Technology University (IN)
Openalex Percentile: Top 45%
American Jewish Fiction Analysis
Open Access PDFOpenAlex
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Note on λ- pseudo bi-starlike and bi-convex functions related with sine functions · SHILAP Revista de lepidopterología (2025) | TGRS Research Map | TGRS