作 者: ;
机构地区: 武汉大学数学与统计学院基础数学系
出 处: 《纯粹数学与应用数学》 1997年第2期44-49,共6页
摘 要: 证明了如下定理:设Φ(z)=∑nu=1∏ti=1faui0i…f(ki)iauiki∑mv=1∏ti=1fbvi0i…f(ki)ibviki其中fi(z),(1≤i≤t)是亚纯函数,auij,bvij为非负整数,则有T(r,Φ)≤∑ti=1{[Si+o(1)]m(r,fi)+[△i-ui+o(1)]N(r,fi)+(△i-Si)N(r,fi)}rE∈L.它是МОХОНЪКО的一个定理的精确改进. In this paper, we prove the following theorem: Suppose that Φ(z)=P(z)Q(z)=∑nu=1∏ti=1f a u i0 i…f (k i) i a u ik i ∑mv=1∏ti=1f b v i0 i…f (k i) i b v ik i , where P(z),Q(z) are differential polynomials, f i(z)(1≤i≤t) is meromorphic functions, a u ij ,b v ij are nonnegative integral number, then T(r,Φ)≤∑ti=1[S i+o(1)]m(r,f i)+[△ i-u i+o(1)]N(r,f i)+(△ i-S i)N(r,f i),rE∈L. It is a precise improvement on мохонъко inequality.