Abstract
The aim of this paper is to show that 6-canonical maps of nonsingular minimal 3 folds of general type are birational for p g (X)≥2.
21991 Msc me05.14J30. Supported by shanghai nsf,china.
21991 Msc me05.14J30. Supported by shanghai nsf,china.
Notes
21991 Msc me05.14J30. Supported by shanghai nsf,china.