Coefficient inequalities for a subclass of bounded turning functions associated with a domain bounded by an epicycloid

UDC 517.5 We consider a subclass of bounded turning functions $\mathcal{BT}_{n-1,\mathcal{L}}$ associated with a domain bounded by an epicycloid with $n-1$ cusps. Our primary task is to examine some coefficient inequalities, as well as the second and third Hankel determinants for the newly defined class.

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Publication Details

Journal
Ukrains’kyi Matematychnyi Zhurnal
Published
2025-08-28
DOI
https://doi.org/10.3842/umzh.v77i7.8601
Primary Topic
Advanced Theoretical and Applied Studies in Material Sciences and Geometry
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article
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article

Coefficient inequalities for a subclass of bounded turning functions associated with a domain bounded by an epicycloid

B. Sruthakeerthi, E. K. Nithiyanandham
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Ukrains’kyi Matematychnyi Zhurnal
Advanced Theoretical and Applied Studies in Material Sciences and Geometry
article

Coefficient inequalities for a subclass of bounded turning functions associated with a domain bounded by an epicycloid

B. Sruthakeerthi, E. K. Nithiyanandham
article en

Abstract

UDC 517.5 We consider a subclass of bounded turning functions $\mathcal{BT}_{n-1,\mathcal{L}}$ associated with a domain bounded by an epicycloid with $n-1$ cusps. Our primary task is to examine some coefficient inequalities, as well as the second and third Hankel determinants for the newly defined class.

Ukrains’kyi Matematychnyi ZhurnalVol. 77(7)
Vellore Institute of Technology University (IN)
Openalex Percentile: Top 79%
Advanced Theoretical and Applied Studies in Material Sciences and Geometry
DOIOpen Access PDFOpenAlex
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Coefficient inequalities for a subclass of bounded turning functions associated with a domain bounded by an epicycloid — B. Sruthakeerthi, E. K. Nithiyanandham · Ukrains’kyi Matematychnyi Zhurnal (2025) | TGRS Research Map | TGRS