we introduce a theorem about the closure of the periodic
points over a nonarchimedean field from the paper of L.C. Hsia. It tells us that the relationship between the Julia set and the cloure of period points. We will see some
examples in section 3.
Teng, J. C. (2016). 非線性薛丁格方程以及具位阻效應之新泊松−玻爾茲曼方程組漸近解的研究 [master's thesis, National Taiwan University]. Airiti Library. https://doi.org/10.6342/NTU201601576