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THE GROWTH ORDER OF SOLUTIONS OF SYSTEMS OF COMPLEX DIFFERENCE EQUATIONS 被引量:17
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作者 高凌云 《Acta Mathematica Scientia》 SCIE CSCD 2013年第3期814-820,共7页
Using Nevanlinna theory of the value distribution of meromorphic functions and Wiman-Valiron theory of entire functions, we investigate the problem of growth order of solutions of a type of systems of difference equat... Using Nevanlinna theory of the value distribution of meromorphic functions and Wiman-Valiron theory of entire functions, we investigate the problem of growth order of solutions of a type of systems of difference equations, and extend some results of the growth order of solutions of systems of differential equations to systems of difference equations. 展开更多
关键词 growth order difference equations entire function
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THE GROWTH OF SOLUTIONS OF SYSTEMS OF COMPLEX NONLINEAR ALGEBRAIC DIFFERENTIAL EQUATIONS 被引量:19
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作者 高凌云 《Acta Mathematica Scientia》 SCIE CSCD 2010年第3期932-938,共7页
We investigate the problem of growth order of solutions of a type of systems of non-linear algebraic differential equations, and extend some results of the growth order of solutions of algebraic differential equations... We investigate the problem of growth order of solutions of a type of systems of non-linear algebraic differential equations, and extend some results of the growth order of solutions of algebraic differential equations to systems of algebraic differential equations. 展开更多
关键词 growth order algebraic differential equations entire function
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THE GROWTH OF RANDOM DIRICHLET SERIES (I) 被引量:4
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作者 田范基 《Acta Mathematica Scientia》 SCIE CSCD 2000年第3期390-396,共7页
Under the conditions(without independence): (i) There Exists alpha > 0, such that sup E\Z(n)\(alpha) < +infinity, (ii) There Exists beta > 0, such that sup E\Z(n)\(-beta) < +infinity, the random series Sig... Under the conditions(without independence): (i) There Exists alpha > 0, such that sup E\Z(n)\(alpha) < +infinity, (ii) There Exists beta > 0, such that sup E\Z(n)\(-beta) < +infinity, the random series Sigma a(n) Z(n)e(-lambda n) and series' Sigma a(n)e(-lambda ns) a.s. have the same abscissa of convergence, the (R) order, lower order and type. 展开更多
关键词 random Dirichlet series the order of growth low order convex regularization TYPE
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On the Growth of Solutions of a Class of Higher Order Linear Differential Equations with Meromorphic Coefficients 被引量:2
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作者 MAO Zhi-qiang LIU Hui-fang 《Chinese Quarterly Journal of Mathematics》 CSCD 2009年第2期278-283,共6页
In this paper, we investigate the growth of solutions of higher order linear differential equations with meromorphic coefficients. Under certain conditions, we obtain precise estimation of growth order and hyper-order... In this paper, we investigate the growth of solutions of higher order linear differential equations with meromorphic coefficients. Under certain conditions, we obtain precise estimation of growth order and hyper-order of solutions of the equation. 展开更多
关键词 linear differential equation meromorphic function growth order HYPER-ORDER
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On the Growth and the Fixed Points of Solutions of Second Order Non-homogeneous Differential Equations 被引量:1
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作者 FENG Bin LIU Hui-fang 《Chinese Quarterly Journal of Mathematics》 CSCD 2013年第3期437-446,共10页
In this paper, we investigate the growth and the fixed points of solutions and their 1st, 2nd derivatives of second order non-homogeneous linear differential equation and obtain the estimation of the order and the exp... In this paper, we investigate the growth and the fixed points of solutions and their 1st, 2nd derivatives of second order non-homogeneous linear differential equation and obtain the estimation of the order and the exponent of convergence of fixed points of solutions of the above equations. 展开更多
关键词 differential equation entire function order of growth fixed point
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CHARACTERISTIC CONDITIONS FOR THECOMPLETE INFINITESIMAL GENERATORS OFANALYTIC SEMIGROUPS OF GROWTH ORDER α
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作者 张显文 《Acta Mathematica Scientia》 SCIE CSCD 2000年第1期97-103,共7页
This paper obtains a group of necessary and sufficient conditions which guarantee a closed linear operator A to be the complete infinitesimal generator of an analytic semigroup of growth order α.
关键词 Semigroup of growth order α ANALYTICITY GENERATOR
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Growth of Solutions to Higher Order Differential Equation with Meromorphic Coefficients
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作者 Wang Li-jun Liu Hui-fang 《Communications in Mathematical Research》 CSCD 2017年第2期135-142,共8页
In this paper, we study the growth of solutions of higher order differential equation with meromorphic coefficients, and find some conditions which guarantee that its every nontrivial solution is of infinite order.
关键词 meromorphic function differential equation order of growth
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The Growth Order of Solutions of Systems Complex Difference Equations
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作者 LI Xiong-ying 《Chinese Quarterly Journal of Mathematics》 2018年第1期25-31,共7页
In this paper, using Nevanlinna theory of the value distribution of meromorphic functions, the problem of growth order of solutions of a class of system of complex difference equations is investigated, some results ar... In this paper, using Nevanlinna theory of the value distribution of meromorphic functions, the problem of growth order of solutions of a class of system of complex difference equations is investigated, some results are improved and generalized. More precisely,some results of the growth order of solutions of system of differential equations to difference equations are extended. 展开更多
关键词 system of complex difference equations the growth order entire function valuedistribution theory
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The Growth Orders of Meromorphic Solutions of Differential Equations
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作者 江秀海 高凌云 《Chinese Quarterly Journal of Mathematics》 CSCD 北大核心 2008年第1期16-20,共5页
By meas of the Nevanlinna theory of the value distribution of meromorphic functions, this paper discusses the orders of growth of meromorphic solutions of differential equation and proves that the form of the solution... By meas of the Nevanlinna theory of the value distribution of meromorphic functions, this paper discusses the orders of growth of meromorphic solutions of differential equation and proves that the form of the solution is determined if the order are sufficiently large. 展开更多
关键词 differential equation meromorphic solution growth order
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On the Growth of Solutions of a Class of Higher Order Linear Differential Equations
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作者 熊辉 刘慧芳 《Chinese Quarterly Journal of Mathematics》 2016年第4期369-378,共10页
In this paper, we investigate the growth of solutions of the differential equations f^((k))+ A_(k-1)(z)f^((k-1))+ ··· + A_0(z)f = 0, where A_j(z)(j = 0, ···, k-1) are entire functions.Whe... In this paper, we investigate the growth of solutions of the differential equations f^((k))+ A_(k-1)(z)f^((k-1))+ ··· + A_0(z)f = 0, where A_j(z)(j = 0, ···, k-1) are entire functions.When there exists some coefficient A_s(z)(s ∈ {1, ···, k-1}) being a nonzero solution of f''+P(z)f = 0, where P(z) is a polynomial with degree n(≥ 1) and A_0(z) satisfies σ(A_0) ≤1/2 or its Taylor expansion is Fabry gap, we obtain that every nonzero solution of such equations is of infinite order. 展开更多
关键词 entire function differential equation growth of order
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Growth of Solutions of Some Linear Difference Equations with Meromorphic Coefficients
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作者 Tu Hong-qiang Liu Hui-fang 《Communications in Mathematical Research》 CSCD 2018年第1期15-22,共8页
In this paper, we investigate the properties of solutions of some linear difference equations with meromorphic coefficients, and obtain some estimates on growth and value distribution of these meromorphic solutions.
关键词 difference equation meromorphic function growth of order exponent of convergence
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ZEROS OF ENTIRE SOLUTIONS TO COMPLEX LINEAR DIFFERENCE EQUATIONS 被引量:7
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作者 陈宗煊 《Acta Mathematica Scientia》 SCIE CSCD 2012年第3期1141-1148,共8页
In this article, we study the complex oscillation problems of entire solutions to homogeneous and nonhomogeneous linear difference equations, and obtain some relations of the exponent of convergence of zeros and the o... In this article, we study the complex oscillation problems of entire solutions to homogeneous and nonhomogeneous linear difference equations, and obtain some relations of the exponent of convergence of zeros and the order of growth of entire solutions to complex linear difference equations. 展开更多
关键词 Linear difference equation complex oscillation ZERO order of growth
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MEROMORPHIC SOLUTIONS OF A TYPE OF SYSTEM OF COMPLEX DIFFERENTIAL-DIFFERENCE EQUATIONS 被引量:5
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作者 李海绸 高凌云 《Acta Mathematica Scientia》 SCIE CSCD 2015年第1期195-206,共12页
Applying Nevanlinna theory of the value distribution of meromorphic functions, we mainly study the growth and some other properties of meromorphic solutions of the type of system of complex differential and difference... Applying Nevanlinna theory of the value distribution of meromorphic functions, we mainly study the growth and some other properties of meromorphic solutions of the type of system of complex differential and difference equations of the following form {j=1∑nαj(z)f1(λj1)(z+cj)=R2(z,f2(z)),j=1∑nβj(z)f2(λj2)(z+cj)=R1(z,f1(z)). where λij (j = 1, 2,…, n; i = 1, 2) are finite non-negative integers, and cj (j = 1, 2,… , n) are distinct, nonzero complex numbers, αj(z), βj(z) (j = 1,2,… ,n) are small functions relative to fi(z) (i =1, 2) respectively, Ri(z, f(z)) (i = 1, 2) are rational in fi(z) (i =1, 2) with coefficients which are small functions of fi(z) (i = 1, 2) respectively. 展开更多
关键词 growth order system of equations complex differential equations difference equations Nevanlinna theory value distribution
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ON THE DISTRIBUTION OF VALUES AND DEFICIENT FUNCTION OF A GENERAL RANDOM INTEGRAL FUNCTION 被引量:2
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作者 田范基 《Acta Mathematica Scientia》 SCIE CSCD 2001年第3期363-368,共6页
Under suitable conditions on {X-n}, the author obtains the important results: it is almost sure that the random integral function f(w) = Sigma (infinity)(n=0) X(n)z(n) (of finite positive order) has no deficient funct... Under suitable conditions on {X-n}, the author obtains the important results: it is almost sure that the random integral function f(w) = Sigma (infinity)(n=0) X(n)z(n) (of finite positive order) has no deficient function, and any direction is a Borel direction (without finite exceptional value) of f(w). 展开更多
关键词 random integral function deficient function order of growth
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ON MEROMORPHIC SOLUTIONS OF RICCATI AND LINEAR DIFFERENCE EQUATIONS 被引量:4
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作者 张然然 陈宗煊 《Acta Mathematica Scientia》 SCIE CSCD 2013年第5期1243-1254,共12页
In this paper, meromorphic solutions of Riccati and linear difference equations are investigated. The growth and Borel exceptional values of these solutions are discussed, and the growth, zeros and poles of difference... In this paper, meromorphic solutions of Riccati and linear difference equations are investigated. The growth and Borel exceptional values of these solutions are discussed, and the growth, zeros and poles of differences of these solutions are also investigated. Furthermore, several examples are given showing that our results are best possible in certain senses. 展开更多
关键词 complex difference equation growth order Borel exceptional value
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Entire solutions of a certain type of functional-differential equations 被引量:1
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作者 ZHANG Xiao-bin YI Hong-xun 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2013年第2期138-146,共9页
In this paper, we shall utilize Nevanlinna value distribution theory and normality theory to study the solvability of a certain type of functional-differential equations. We also consider the solutions of some nonline... In this paper, we shall utilize Nevanlinna value distribution theory and normality theory to study the solvability of a certain type of functional-differential equations. We also consider the solutions of some nonlinear differential equations. 展开更多
关键词 Entire solution functional-differential equation growth order normal family.
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Complex oscillation of certain high non-homogeneous linear differential equations
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作者 李纯红 《Journal of Chongqing University》 CAS 2005年第4期233-238,共6页
This present paper investigates the complex oscillation theory of certain high non-homogeneous linear differential equations and obtains a series of new results.
关键词 differential equations order of growth exponent of convergence
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On growth,zeros and poles of meromorphic solutions of linear and nonlinear difference equations 被引量:30
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作者 CHEN ZongXuan 《Science China Mathematics》 SCIE 2011年第10期2123-2133,共11页
Abstract In this paper, we study the order of the growth and exponents of convergence of zeros and poles of meromorphic solutions of some linear and nonlinear difference equations which have admissible meromorphic sol... Abstract In this paper, we study the order of the growth and exponents of convergence of zeros and poles of meromorphic solutions of some linear and nonlinear difference equations which have admissible meromorphic solutions of finite order. 展开更多
关键词 nonlinear difference equation linear difference equation order of growth ZERO POLE
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The growth of solutions of f"+e^(-z)f' + Q(z)f = 0 where the order (Q) = 1 被引量:20
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作者 陈宗煊 《Science China Mathematics》 SCIE 2002年第3期290-300,共11页
This paper investigates the growth of solutions of the equation f' + e -zf' + Q(z)f = 0 where the order (Q) = 1. When Q(z) = h(z)ebz, h(z) is nonzero polynomial, b ≠ -1 is a complex constant, every solution o... This paper investigates the growth of solutions of the equation f' + e -zf' + Q(z)f = 0 where the order (Q) = 1. When Q(z) = h(z)ebz, h(z) is nonzero polynomial, b ≠ -1 is a complex constant, every solution of the above equation has infinite order and the hyper-order 1. We improve the results of M. Frei, M. Ozawa, G. Gundersen and J. K. Langley. 展开更多
关键词 differential equation entire function order of growth hyper-order.
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On the Growth and Fixed Points of Solutions of Second Order Differential Equations with Meromorphic Coefficients 被引量:17
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作者 Zong Xuan CHEN Kwang Ho SHON 《Acta Mathematica Sinica,English Series》 SCIE CSCD 2005年第4期753-764,共12页
In this paper, we investigate the growth and fixed points of solutions and their 1st, 2nd derivatives, differential polynomial of second order linear differential equations with meromorphic coefficients, and obtain th... In this paper, we investigate the growth and fixed points of solutions and their 1st, 2nd derivatives, differential polynomial of second order linear differential equations with meromorphic coefficients, and obtain that the exponents of convergence of these fixed points are all equal to the order of growth. 展开更多
关键词 Differential equation Meromorphic function Order of growth Fixed point
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