Inclusion and neighborhood properties of a certain subclasses of p-valent functions with negative coefficients | Zendy

R. M. El-Ashwah | Zendy

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Inclusion and neighborhood properties of a certain subclasses of p-valent functions with negative coefficients

Author(s) -

R. M. El-Ashwah

Publication year - 2009

Publication title -

filomat

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.449

H-Index - 34

eISSN - 2406-0933

pISSN - 0354-5180

DOI - 10.2298/fil0903001e

Subject(s) - mathematics , analytic function , distortion (music) , differential operator , pure mathematics , class (philosophy) , operator (biology) , function (biology) , differential inclusion , mathematical analysis , inclusion (mineral) , derivative (finance) , differential (mechanical device) , cmos , repressor , electronic engineering , artificial intelligence , amplifier , chemistry , computer science , financial economics , engineering , biology , biochemistry , evolutionary biology , transcription factor , economics , gene , aerospace engineering , gender studies , sociology

By means of Ruscheweyh derivative operator , we introduced and investi- gated two new subclasses of p-valent analytic functions.The various results ob- tained here for each of these function class include coecient bounds and dis- tortion inequalities, associated inclusion relations for the (n;µ)-neighborhoods of subclasses of analytic and multivalent functions with negative coecients, which are defined by means of non-homogenous dierential equation.

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