Some applications of q-difference operator involving a family of meromorphic harmonic functions

Autor:	Neelam Khan, H. M. Srivastava, Ayesha Rafiq, Muhammad Arif, Sama Arjika
Jazyk:	angličtina
Rok vydání:	2021
Předmět:	Quantum derivative operator Meromorphic harmonic starlike functions Janowski functions Mathematics QA1-939
Zdroj:	Advances in Difference Equations, Vol 2021, Iss 1, Pp 1-18 (2021)
Druh dokumentu:	article
ISSN:	1687-1847 08626340
DOI:	10.1186/s13662-021-03629-w
Popis:	Abstract In this paper, we establish certain new subclasses of meromorphic harmonic functions using the principles of q-derivative operator. We obtain new criteria of sense preserving and univalency. We also address other important aspects, such as distortion limits, preservation of convolution, and convexity limitations. Additionally, with the help of sufficiency criteria, we estimate sharp bounds of the real parts of the ratios of meromorphic harmonic functions to their sequences of partial sums.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/ef846a086263408182812a3dbc1321d8 Zobrazit plný text záznamu View record in DOAJ Plný text ve formátu PDF Plný text ve formátu HTML
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