Date: Thu. May 9, 2013 Venue: Lecture Hall B1044 Speaker: Andrew Booker, University of Bristol Title: Detecting squarefree numbers Time: 10:10—11:00 Speaker: Chantal David, Concordia University Title: Elliptic curves with prescribed groups over finite fields and the Cohen-Lenstra heuristics Time: 11:10—12:00 Abstract: http://www.prime.sdu.edu.cn/lectures/201305d.pdf Speaker: Thomas Stoll, Université de Lorraine Title: The sum-of-digits of Gaussian primes Time: 15:00—15:50 Abstract: http://www.prime.sdu.edu.cn/lectures/201305t.pdf Speaker: Jie Wu, Université de Lorraine Title: Power sums of Hecke eigenvalues of Maass cusp forms Time: 16:00-16:50 Abstract: http://www.prime.sdu.edu.cn/lectures/201305w.pdf