In this paper we determine the radii of p-valence of the function F(z) defined by F (z) = (1-X)f(z) H------ ^ - z f '( z ) , z e D
where D = jz: |z | < 1J, X > 0 and the function f (z) belongs to certain subclasses of analytic p-valent functions with negative coefficients.
Primary Language | English |
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Subjects | Mathematical Sciences |
Journal Section | Research Articles |
Authors | |
Publication Date | January 1, 1982 |
Submission Date | January 1, 1982 |
Published in Issue | Year 1982 Volume: 31 |
Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics.
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