ESTIMATE OF THIRD ORDER HANKEL DETERMINANT FOR A CERTAIN SUBCLASS OF ANALYTIC FUNCTIONS ASSOCIATED WITH CARDIOID DOMAIN
Estimate of Third Order Hankel Determinant for a Certain Subclass of Analytic Functions associated with Cardioid Domain
한국수학교육학회지시리즈B:순수및응용수학 / Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics, (P)1226-0657; (E)2287-6081
2022, v.29 no.4, pp.307-319
https://doi.org/https://doi.org/10.7468/jksmeb.2022.29.4.307
Singh, Gagandeep
(Department of Mathematics, Khalsa College)
Singh, Gurcharanjit
(Department of Mathematics, G.N.D.U. College)
Singh, Gagandeep,
&
Singh, Gurcharanjit.
(2022). ESTIMATE OF THIRD ORDER HANKEL DETERMINANT FOR A CERTAIN SUBCLASS OF ANALYTIC FUNCTIONS ASSOCIATED WITH CARDIOID DOMAIN. 한국수학교육학회지시리즈B:순수및응용수학, 29(4), 307-319, https://doi.org/https://doi.org/10.7468/jksmeb.2022.29.4.307
Abstract
The present paper deals with the upper bound of third order Hankel determinant for a certain subclass of analytic functions associated with Cardioid domain in the open unit disc E = {z ∈ ℂ : |z| < 1}. The results proved here generalize the results of several earlier works.
- keywords
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analytic functions,
subordination,
Cardioid domain,
third Hankel determinant,
Fekete-Szego inequality