Glasnik Matematicki, Vol. 36, No.1 (2001), 39-48.

STARLIKE MAPPINGS OF ORDER α ON THE UNIT BALL IN COMPLEX BANACH SPACES

Hidetaka Hamada, Gabriela Kohr and Piotr Liczberski

Faculty of Engineering, Kyushu Kyoritsu University, 1-8 Jiyugaoka, Yahatanishi-ku, Kitakyushu 807-8585, Japan
e-mail: hamada@kyukyo-u.ac.jp

Faculty of Mathematics, Babes-Bolyai University, 1 M. Kogalniceanu Str., 3400 Cluj-Napoca, Romania
e-mail: gkohr@math.ubbcluj.ro

Institute of Mathematics, Technical University of Lodz, Av. Politechniki 11, 90-924 Lodz, Poland
e-mail: piliczb@ck-sg.p.lodz.pl


Abstract.   In this paper, we will give the growth theorem of starlike mappings of order α on the unit ball B in complex Banach spaces. We also give an analytic sufficient condition for a locally biholomorphic mapping on B to be a starlike mapping of order α.

1991 Mathematics Subject Classification.   32A30, 32H02, 30C45.

Key words and phrases.   Banach space, biholomorphic mappings, growth theorem, starlike mapping of order α.


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