Abstract
This paper studies the problem of uniqueness of meromorphic functions whose n-th derivatives share the same 1-points. The results improve some theorems given by M. Ozawa, K. Shibazaki. X. H. Hua. C. C. Yang. H. X. Yi.K. L. Hiong and other authors. The examples are provided to show that some results in this paper are sharp.
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More From: Complex Variables, Theory and Application: An International Journal
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