On Pluricanonical Maps for Threefolds of General Type, Ii
نویسندگان
چکیده
This paper is a continuation of [4, 9, 13]. To classify algebraic varieties is one of the goals in algebraic geometry. One way to study a given variety is to understand the behavior of its pluricanonical maps. The objects concerned here are complex projective 3-folds of general type over C. Let X be such an object and denote by φm the m-th pluricanonical map of X , which is the rational map associated with the m-canonical system |mKX |. The very natural question is when |mKX | gives a birational map, a generically finite map, · · · , etc. According to [2, 4, 9, 12, 13], one has the following
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تاریخ انتشار 2008