2 papers
math.NT2026
Large values of logarithmic derivatives of quadratic Dirichlet -functions
Zikang Dong, Haidong Li
In this article, we apply the resonance method to derive conditional Omega results for logarithmic derivatives of quadratic Dirichlet -functions. We improve a previous result of…
math.NT2025
Lower bounds for high moments of zeta sums
Zikang Dong, Weijia Wang, Hao Zhang
In this article, we investigate high moments of zeta sums . We show unconditional lower bounds for them.