L20A
       第二次期中考第1,2,3,4,5,7題
       這裡U代表複平面上的單位開圓盤
       第1題: Find holomorphic functions whose real parts is x^3y-xy^3.
       第2題: Prove that every nonconstant holomorphic function is an open mapping.
       第3題: Suppose λ>1. Prove that λ-z-exp(-z) has exactly one root in the right half plane.
       第4題: Let f be holomorphic on U\\\\\\\\{0} and 0

L20B
第二次期中考第6題
00:00 第6題
13:17 一些重要的提醒
17:47 Biholomorphisms of Annuli 環帶間的解析同構
https://ocw.nthu.edu.tw/ocw/index.php...