Subordination and superordination of certain linear operator on meromorphic functions
M. Aouf ; T. Seoudy
Annales UMCS, Mathematica, Tome 64 (2010), p. 1-16 / Harvested from The Polish Digital Mathematics Library
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Using the methods of differential subordination and superordination, sufficient conditions are determined on the differential linear operator of meromorphic functions in the punctured unit disk to obtain, respectively, the best dominant and the best subordinant. New sandwich-type results are also obtained.

Publié le : 2010-01-01
EUDML-ID : urn:eudml:doc:268295 
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M. Aouf; T. Seoudy. Subordination and superordination of certain linear operator on meromorphic functions. Annales UMCS, Mathematica, Tome 64 (2010) pp. 1-16. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_v10062-010-0001-2/

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