(1) Ph. D Candidates:   Huixue Lao: The Average Estimates for Coefficients of Automorphic                       L-Functions   Jinhong Li: The Abstract Prime Number Theorem and a Criterion for the                     Generalized Riemann Hypothesis Dissertation Committee Chair:   Xiangyu Zhou, Professor     Institute of Mathematics, Chinese Academy of Sciences Dissertation Committee Members:   Yi Ouyang, Professor     Department of Mathematics, University of Science & Technology of China   Wenguang Zhai, Professor     School of Mathematical Sciences, Shandong Normal University   Shouli Jiang, Professor     School of Mathematics, Shandong University   Peichu Hu, Professor     School of Mathematics, Shandong University   Xiumin Ren, Professor     School of Mathematics, Shandong University Supervisor:   Jianya Liu, Professor Time: 14:00, Wednesday, May 27, 2009 Venue: Room 309   (2) M. Sc Candidates:   Xianghua Chen: Estimates for Certain Types of Character Sums   Liang Liu: On Sums of a Prime and three Squares of Primes in Short Intervals   Xinggang Yang: A Generalization of Bombieri-Vinogradov Type Theorem   Chuanfa Huo: On Sums of four Prime Squares and k-th Power of Primes in                           Short Intervals Dissertation Committee Chair:   Yi Ouyang, Professor     Department of Mathematics, University of Science & Technology of China Dissertation Committee Members:   Wenguang Zhai, Professor     School of Mathematical Sciences, Shandong Normal University   Shouli Jiang, Professor     School of Mathematics, Shandong University   Peichu Hu, Professor     School of Mathematics, Shandong University Supervisor:   Xiumin Ren, Professor Time: 15:00, Wednesday, May 27, 2009 Venue: Room 309   ALL ARE WELCOME.