摘要
本文利用Poincare度量,证明了圆环1/r<|z|<r(r>1)上的Schottky定理:设f(z)在圆环上解析且不取值0与1。
We show that the Schottky theorem on the annulus centered at the origin can be proved by means of the Poincare metric. Suppose that f(z) is analytic and differentfrom 0 and 1 for 1/r<|z|<r(r>1), then
出处
《北京大学学报(自然科学版)》
CAS
CSCD
北大核心
1990年第1期17-22,共6页
Acta Scientiarum Naturalium Universitatis Pekinensis