Unicity of meromorphic functions and their derivatives

✍ Scribed by Ping Li

• Publisher: Elsevier Science
• Year: 2003
• Tongue: English
• Weight: 136 KB
• Volume: 285
• Category: Article
• ISSN: 0022-247X
• DOI: 10.1016/s0022-247x(03)00459-1

✦ Synopsis

In this paper, we prove that if a transcendental meromorphic function f shares two distinct small functions CM with its kth derivative f (k) (k > 1), then f = f (k) . We also resolve the same question for the case k = 1. These results generalize a result due to Frank and Weissenborn.