Acta mathematica scientia,Series B ›› 2013, Vol. 33 ›› Issue (5): 1300-1304.doi: 10.1016/S0252-9602(13)60082-X

• Articles • Previous Articles     Next Articles

CERTAIN SUFFICIENT CONDITIONS FOR STARLIKENESS AND CONVEXITY OF MEROMORPHICALLY MULTIVALENT FUNCTIONS

 XU Yi-Hui, B.A. FRASIN, LIU Jin-Lin   

  1. Department of Mathematics, Suqian College, Suqian 223800, China; Department of Mathematics, Al al-Bayt University, P.O.Box 130095, Mafraq, Jordan; Department of Mathematics, Yangzhou University, Yangzhou 225002, China
  • Received:2012-01-20 Revised:2012-12-29 Online:2013-09-20 Published:2013-09-20

Abstract:

In this paper we derive certain sufficient conditions for starlikeness and con-vexity of order of meromorphically multivalent functions in the punctured unit disk.

Key words: analytic function, meromorphically multivalent function, starlike function, convex function

CLC Number: 

  • 30C45
Trendmd