<p>In this paper we consider some sufficient conditions for a function to be at most <i>p</i>-valent in the unit disc on the complex plane which are related to the known Ozaki’s and Noshiro-Warschawski conditions.</p>

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Extremal problems for multivalent functions

  • Mamoru Nunokawa,
  • Krzysztof Piejko,
  • Janusz Sokół

摘要

In this paper we consider some sufficient conditions for a function to be at most p-valent in the unit disc on the complex plane which are related to the known Ozaki’s and Noshiro-Warschawski conditions.