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Radii of starlikeness and convexity in certain classes of analytic functions in the disk

โœ Scribed by M. F. Kotsur

Publisher
SP MAIK Nauka/Interperiodica
Year
1979
Tongue
English
Weight
256 KB
Volume
25
Category
Article
ISSN
0001-4346

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๐Ÿ“œ SIMILAR VOLUMES

Radii of Convexity and Strong Starlikene
Radii of Convexity and Strong Starlikeness for Some Classes of Analytic Functions
โœ A. Gangadharan; V. Ravichandran; T.N. Shanmugam ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 191 KB

Let z be an analytic function with positive real part on โŒฌ s z; z -1 with ลฝ . ลฝ . 0 s 1, ะˆ 0 ) 0 which maps the unit disk โŒฌ onto a region starlike with respect ลฝ . to 1 and symmetric with respect to the real axis. Let ST denote the class of ลฝ . ลฝ . ลฝ . ลฝ . ลฝ . ลฝ . analytic functions f z with f 0 s

Close-to-convexity, starlikeness, and co
Close-to-convexity, starlikeness, and convexity of certain analytic functions
โœ S. Owa; M. Nunokawa; H. Saitoh; H.M. Srivastava ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 339 KB

main object of the present paper is to derive several sufficient conditions for close-to-convexity, starlikeness, and convexity of certain (normalized) analytic functions. Relevant connections of some of the results obtained in this paper with those in earlier works are also provided.