<abstract xmlns="http://www.w3.org/1999/xhtml">In this paper, we define a new subclass of bi-univalent functions involving a Hohlov operator in the open unit disk. For functions belonging to this class, we obtain estimates on the first two Taylor-Maclaurin coefficients |<italic>a</italic>2<italic>|</italic> and <italic>|a</italic>3<italic>|</italic>.</abstract>

In this paper, we define a new subclass of bi-univalent functions involving a Hohlov operator in the open unit disk. For functions belonging to this class, we obtain estimates on the first two Taylor-Maclaurin coefficients |a2| and |a3|.

Estimate for initial MacLaurin coefficients of certain subclasses of bi-univalent functions of complex order associated with the Hohlov operator

Department of Mathematics School of Advanced Sciences

Faculty of Mathematics and Computer Science,

Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In this paper, we define a new subclass of bi-univalent functions involving a Hohlov operator in the open unit disk. For functions belonging to this class, we...

Estimate for initial MacLaurin coefficients of certain subclasses of bi-univalent functions of complex order associated with the Hohlov operator

Pubblicato online: 23 feb 2019

Pagine: 27 - 36

Ricevuto: 30 ott 2017

Accettato: 14 feb 2018

DOI: https://doi.org/10.2478/aupcsm-2018-0003

Parole chiave
and phrases: analytic functions, univalent functions, bi-univalent functions, bistarlike and bi-convex functions, Hohlov operator, Gaussian hypergeometric function, Dziok-Srivastava operator

© 2018 Gangadharan Murugusundaramoorthy et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Estimate for initial MacLaurin coefficients of certain subclasses of bi-univalent functions of complex order associated with the Hohlov operator

Pubblicato online: 23 feb 2019

Pagine: 27 - 36

Ricevuto: 30 ott 2017

Accettato: 14 feb 2018

DOI: https://doi.org/10.2478/aupcsm-2018-0003

Parole chiaveand phrases: analytic functions, univalent functions, bi-univalent functions, bistarlike and bi-convex functions, Hohlov operator, Gaussian hypergeometric function, Dziok-Srivastava operator

© 2018 Gangadharan Murugusundaramoorthy et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
and phrases: analytic functions, univalent functions, bi-univalent functions, bistarlike and bi-convex functions, Hohlov operator, Gaussian hypergeometric function, Dziok-Srivastava operator