The conference series was founded and has been organized together with local organizers by Professor Shouchuan Hu. The first conference took place at Southwest Missouri State University, Springfield, MO, USA, May 1996; the second was at Shanghai Jiaotong University, Shanghai, China, June 1998 (local organizers: Professors Weijiang Zhang and Xiaoyun Ma); the third was at Kennesaw State University, Kennesaw, GA, USA, May 2000 (local organizer: Professor Joshua Du); the fourth conference was at University of North Carolina at Wilmington, Wilmington, NC, USA, June 2002 (local organizers: Dr. Wei Feng and Dr. Xin Lu); the fifth conference was at California State Polytechnic University, Pomona, USA, June 2004 (local organizers: Dr. Ioana Mihaila, Dr. Martin Nakashima, Dr. Claudia Pinter-Lucke, Dr. Stephen Wirkus and Dr. Weiqing Xie ); the sixth conference was at University of Poitiers, Poitiers, France, June 2006 (local organizers: Dr. Alain Miranville, Dr. Laurence Cherfils, Dr. Hassan Emamirad, Dr. Morgan Pierre, Dr. Philippe Rogeon and Dr. Arnaud Rougirel) which was attended by a record of 700 mathematicians and scientists from 5 continents. Therefore, the Conference Series has proven itself to be a very needed and grand event for people in the fields. The conferences have been financially supported by the National Science Foundation, USA.