<p>In this paper, we focus on exploring entire solutions of finite order for a class of differential-difference equations, particularly those of the following form</p><p><Equation ID="Equa"> <EquationSource Format="TEX">\(\begin{cases}w_1'(z)^2+{P_2^2}(z)w_2{(z+c)^2} = Q_1(z),\\w_2'(z)^2+{P_1^2}(z)w_1{(z+c)^2} = Q_2(z),\end{cases}\)</EquationSource> </Equation></p><p>where <i>P</i><sub><i>i</i></sub>, <i>Q</i><sub><i>i</i></sub> (<i>i</i> = 1, 2) are non-zero polynomials. We prove that the above system admits four distinct forms of solutions and derive their specific expressions. Additionally, we establish the relationship between the coefficients of the system and those of its solutions. These results extend the existing results of complex differential (difference) equations to the systems of differential-difference equations, and improve the current results related to the systems of differential-difference equations.</p>

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On entire solutions of some types of systems of complex differential-difference equations

  • Chuangxin Chen,
  • Ranran Zhang,
  • Zongxuan Chen

摘要

In this paper, we focus on exploring entire solutions of finite order for a class of differential-difference equations, particularly those of the following form

\(\begin{cases}w_1'(z)^2+{P_2^2}(z)w_2{(z+c)^2} = Q_1(z),\\w_2'(z)^2+{P_1^2}(z)w_1{(z+c)^2} = Q_2(z),\end{cases}\)

where Pi, Qi (i = 1, 2) are non-zero polynomials. We prove that the above system admits four distinct forms of solutions and derive their specific expressions. Additionally, we establish the relationship between the coefficients of the system and those of its solutions. These results extend the existing results of complex differential (difference) equations to the systems of differential-difference equations, and improve the current results related to the systems of differential-difference equations.