【摘 要】
：
Let k, m be two positive integers with m≤k and let F be a family of zero-free meromorphic functions in a domain D, let h(z)≡0 be a meromorphic function in D w
【机 构】
：
South China Institute of Software Engineering,Institute of Applied Mathematics
【基金项目】
：
the NNSF of China
论文部分内容阅读
Let k, m be two positive integers with m≤k and let F be a family of zero-free meromorphic functions in a domain D, let h(z)≡0 be a meromorphic function in D with all poles of h has multiplicity at most m. If, for each f ∈ F , f(k)(z) = h(z) has at most k-m distinct roots(ignoring multiplicity) in D, then F is normal in D. This extends the results due to Chang[1], Gu[3], Yang[11] and Deng[1] etc.
其他文献
目的:采用液相色谱-串联质谱法(LC-MS/MS)并选择监测离子法测定亮菌甲素琥珀酸单酯及其在注射液中的含量.方法:样品用甲醇溶解,测定其中亮菌甲素琥珀酸单酯的含量,在负离子模
目的:对国内不同厂家生产的司他夫定胶囊进行质量分析和研究。方法:采用法定标准对样品进行检验,参照国外标准及文献探索性研究了旋光度、薄层色谱行为、水分、制剂均一性、
目的:建立简便实用的正电子放射性示踪药物11C标记的羟基麻黄素(11C-mHED)自动化生产的方法,满足临床诊断需要.方法:首先使用加速器通过14N(p,α)11C核反应来生产11C-CO2,然
目的:建立益肝防石颗粒中马钱苷的含量测定方法。方法:采用高效液相色谱法对马钱苷进行了含量测定;色谱柱为Diamonsil-C_(18)柱(250 mm×4.6 mm,5μm);流动相为乙腈-水(10:90
目的:建立HPLC法测定复方伸筋片中虎杖的含量测定方法。方法:色谱柱为WELTECH Hisep C_(18)-T(250 mm×4.6 mm,5μm);流动相:乙腈-水(20:80);流速:1.0 ml·min~(-1);检测波长
In this paper, we introduce a new class of two-parametric penalized function, which includes the penalized minimum function and the penalized Fischer-Burmeister
In this paper, we employ moment generating function to obtain some exact formula of transition probability of immigration-birth-death(IBD) model and discuss the
In this paper, we introduce a new algebraic structure, called a rough intuitionistic fuzzy ideal(filter) which is a generalized intuitionistic fuzzy ideal(filte
In this paper, we investigate the existence of solution for a class of impulse boundary value problem of nonlinear fractional functional differential equation o
In this paper, a virus infection model with standard incidence rate and delayed CTL immune response is investigated. By analyzing corresponding characteristic e