Speaker:   Cristian Virdol, Yonsei University Title: I, On the cyclicity of abelian varieties           II, Base change and special values of L-funtions Venue:   B 924 Time:   15:30-16:30, TUE 23 April             15:30-16:30, FRI 26 April Abstract:   http://www.prime.sdu.edu.cn/lectures/201304talks.pdf