Hyman Bass, University of Michigan, Ann Arbor, USA
Jiang-Hua Lu, The University of Hong Kong, Hong Kong SAR, China
Joseph Oesterlé, Université Pierre et Marie Curie, Paris, France
Yuri Tschinkel, Courant Institute of Mathematical Sciences, New York, USA
Progress in Mathematics is a series of books intended for professional mathematicians and scientists, encompassing all areas of pure mathematics. This distinguished series, which began in 1979, includes research level monographs, polished notes arising from seminars or lecture series, graduate level textbooks, and proceedings of focused and refereed conferences. It is designed as a vehicle for reporting ongoing research as well as expositions of particular subject areas.