3 papers
math.NT2025
A Selberg-type zero-density result for twisted -functions and its application
Qingfeng Sun, Hui Wang, Yanxue Yu
Let be a fixed holomorphic primitive cusp form of even weight , level and trivial nebentypus . Let be an odd prime with and let be a primitive Dir…
math.NT2024
Sums of Fourier coefficients involving theta series and Dirichlet characters
Yanxue Yu
Let be a holomorphic or Maass cusp forms for with normalized Fourier coefficients and \bna r_{\ell}(n)=\#\left\{(n_1,\cdots,n_{\ell})\in \mathb…
math.NT2022
A bound for twists of -functions with composite modulus
Qingfeng Sun, Yanxue Yu
Let be a Hecke-Maass cusp form for and let be a holomorphic or Maass cusp form for . Let be a primitive Dirichlet character…