TY - JOUR T1 - Some Notes on Normality Criteria of Meromorphic Functions AU - Chen , Wei AU - Zhang , Yingying AU - Tian , Honggen AU - Yuan , Wenjun JO - Communications in Mathematical Research VL - 1 SP - 81 EP - 89 PY - 2021 DA - 2021/05 SN - 30 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/cmr/18991.html KW - meromorphic function, shared value, normal criterion. AB -

In this paper, we study the normality of families of meromorohic functions related to a Hayman conjecture. We prove that the conditions in Hayman conjecture and in other criterions can be relaxed. The results in this paper improve some previous results.