Acta mathematica scientia,Series B ›› 2020, Vol. 40 ›› Issue (4): 1035-1044.doi: 10.1007/s10473-020-0411-3

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ALGEBRAIC DIFFERENTIAL INDEPENDENCE CONCERNING THE EULER Γ-FUNCTION AND DIRICHLET SERIES

Wei CHEN, Qiong WANG   

  1. School of Sciences, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
  • Received:2019-04-21 Revised:2019-09-12 Online:2020-08-25 Published:2020-08-21
  • Contact: Qiong WANG E-mail:qiongwangsdu@126.com
  • Supported by:
    This work of both authors was partially supported by Basic and Advanced Research Project of CQ CSTC (cstc2019jcyj-msxmX0107), and Fundamental Research Funds of Chongqing University of Posts and Telecommunications (CQUPT: A2018-125).

Abstract: This article investigates the algebraic differential independence concerning the Euler $\Gamma$-function and the function $F$ in a certain class $\mathbb{F}$ which contains Dirichlet $\mathcal{L}$-functions, $\mathcal{L}$-functions in the extended Selberg class, or some periodic functions. We prove that the Euler $\Gamma$-function and the function $F$ cannot satisfy any nontrivial algebraic differential equations whose coefficients are meromorphic functions $\phi$ with $\rho(\phi)<1$.

Key words: Gamma function, $\mathcal{L}$-functions, algebraic differential independence, algebraic differential equations

CLC Number: 

  • 11M36
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