Meromorphic Functions Sharing the Same Zeros and Poles

[摘要] In this paper, Hinkkanen's problem (1984) is completely solved,{em i.e.,} it is shown that any meromorphic function $f$ is determinedby its zeros and polesand the zeros of $f^{(j)}$ for $j=1,2,3,4$

[学科分类] 数学（综合）