Starlike Functions Associated with Secant Hyperbolic Function

Khadija Bano, Mohsan Raza, Qin Xin, Fairouz Tchier, Sarfraz Nawaz Malik

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Motivated by the recent work on the symmetric domains, this article investigates certain
features of symmetric domain which are caused by the secant hyperbolic functions. Geometric
characteristics of analytic functions associated with secant hyperbolic functions are discussed, which
include the inclusion results, structural formula, certain sharp radii results such as radius of starlikeness and convexity of order α. It also finds a radius for ratios of analytic functions associated with Euler numbers.
Original languageEnglish
Article number737
Number of pages21
JournalSymmetry
Volume15
Issue number3
DOIs
Publication statusPublished - 16 Mar 2023

Keywords

  • analytic functions
  • subordination
  • starlike functions
  • Euler functions
  • radii problems

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