共查询到20条相似文献,搜索用时 0 毫秒
1.
Dirichlet级数表示的整函数的增长性 总被引:14,自引:0,他引:14
本文系统地研究了在全平面上收敛的Dirichlet级数的增长性,得到了级数的系数和增长级之间关系的一系列充要条件. 相似文献
2.
Qiao Jianyong 《东北数学》1994,(1)
OntheGrowthofCompositeEntireFunctionsQiaoJianyong(乔建永)(InstituteofMathematics,FudanUniversity,Shanghai,200433)Abstract:Letfan... 相似文献
3.
《复变函数与椭圆型方程》2012,57(7):583-598
Let f be an entire function of finite positive order. A maximum modulus point is a point w such that |f(w)|= max {|f(z)|:|z=|w|}. We obtain lower bounds for the distance between a maximum modulus point w and the zero set of f. These bounds are valid for all sufficiently large values of |w|. 相似文献
4.
5.
在一定的指数条件下,研究了全平面上零级广义Dirichlet级数的增长性,得到了关于它的系数和指数与增长级之间关系的结论. 相似文献
6.
本文研究一类高阶整函数系数微分方程的增长性问题,当存在某个系数对方程的解的性质起主要支配作用时,得到了齐次与非齐次方程解的超级的精确估计及方程的解与小函数的关系。 相似文献
7.
8.
研究了随机狄里克莱级数 f (s,ω) =∑∞n=1an Xne-λns在独立 (可不同分布 )随机变量序列{ Xn}满足(i) limn→∞E|Xn|>0 ,supn 1 E|Xn|p <∞ (p >1) ;(ii) limn→∞nλn=D <∞ ;(iii) limn→∞ln|an|λn=0等条件时的增长性和值分布 ,得到了比较好的结果 相似文献
9.
本文研究了全平面上有限级Dirichlet级数的增长性和正规增长性,得到了两个充要条 件;证明了有限级随机Dirichlet级数的增长性几乎必然与其在每条水平直线上的增长性相同. 相似文献
10.
《复变函数与椭圆型方程》2012,57(12):1121-1127
Let f be a transcendental meromorphic function of order $ \rho _f $ , g be a transcendental entire function of lower order $\lambda _g (\lambda _g \lt + \infty ) $ with $ \sum _{a\not = \infty }\delta (a,g)= 1 $ , then $$\overline {\mathop {{\rm lim}}\limits_{r \to \infty } } \log {{\left( {T\left( {r,f\left( g \right)} \right)} \right)} \mathord{\left/{\vphantom {{\left( {T\left( {r,f\left( g \right)} \right)} \right)} {T\left( {r,g} \right)}}} \right. \kern-\nulldelimiterspace} {T\left( {r,g} \right)}} = \pi \rho f.$$ 相似文献
11.
We study a uniqueness question of entire functions sharing an entire function of smaller order with their diference operators,and deal with a question posed by Liu and Yang.The results in this paper extend the corresponding results obtained by Liu–Yang and by Liu–Laine respectively.Examples are provided to show that the results in this paper,in a sense,are the best possible. 相似文献
12.
Approximation of Multivariate Functions with a Certain Mixed Smoothness by Entire Functions 总被引:2,自引:0,他引:2
ApproximationofMultivariateFunctionswith aCertainMixedSmoothnessbyEntireFunctionsWangHeping(汪和平);SunYongsheng(孙永生)(Department... 相似文献
13.
14.
本文研究了在Aj(z),aj(j=0,1,…,k-1)满足一些条件下方程f(k)+Ak-1(z)eak-1f(k-1)+…+A0(z)ea0zf=0解的超级和在Aj(z),Pj(j)(j=0,1,…,k-1)满足一些条件下方程f(k)+Ak-1(z)ePk-1(z)f(k-1)+…+Aj(z)eajzf(j)+…+A0(z)eP0(z)f=0解的级。 相似文献
15.
We study the relationship between the growth and decrease of the sum of the entire Dirichlet series of finite order (in the sense of Ritt) on arbitrary curves going to infinity. For a class of exponents having a regular distribution (in a certain sense), we obtain a test for the logarithm of the maximal term to be equivalent to the logarithm of the absolute value of the sum of the Dirichlet series on at least one unbounded sequence of points of the curve.__________Translated from Matematicheskie Zametki, vol. 78, no. 1, 2005, pp. 37–51.Original Russian Text Copyright © 2005 by A. M. Gaisin, I. D. Latypov. 相似文献
16.
利用独立不同分布的随机变量序列的强大数定律研究了双随机狄里克莱级数的收敛性和增长性,得到了一些新的结果。 相似文献
17.
In this paper, we prove a theorem on the growth of a solution of a linear differential equation. From this we obtain some uniqueness theorems concerning that a nonconstant entire function and its derivatives sharing a small entire function. The results in this paper improve many known results. Some examples are provided to show that the results in this paper are the best possible. 相似文献
18.
利用Knopp-Kojima的方法研究在全平面上收敛的无限级Dirichlet级数的增长性,主要是讨论了Dirichlet级数的βU级与下βU级,应用型函数的方法及牛顿多边形,获得了关于βU级增长性的几个定理. 相似文献
19.
系统地研究了全平面收敛的B-值随机Difichlet级数的增长性,得到了在一定条件下,B-值随机Dirichlet级数在收敛平面上的增长(下)级几乎处处等于某Dirichlet级数的增长(下)级还得到了它们与指数和系数的关系式. 相似文献