INTERNATIONAL CONFERENCE ON NUMBER THEORY AND RELATED TOPICS Hanoi 12-15/12/2006   Scientific Committee  H. Esnault - Univ. of Essen, Germany, Chair  R. Parimala -Tata Inst., India Nguyen Quoc Thang Inst. of Math., VAST, Hanoi, Vietnam Dao Trong Thi - Hanoi National University, Vietnam M. Waldschmidt - University of Paris 6, France  J. Yu - National Tsinghua Univ., Taiwan