On the non-vanishing of Hecke central L-values with quadratic twists
洪斌哲先生中央大學數學系 下午 3:00–4:30 鴻經館 107 室摘要：
We present a non- vanishing result of central L-values for canonical Hecke charaters of imginary quadratic fields with quadratic twists.
This result extends previous works of Rohrlich, Villegas and Tonghai Yang.