Polarized Pushouts over Finite Fields
نویسندگان
چکیده
منابع مشابه
Polarized Pushouts over Finite Fields
Let p : Y → X be a surjection between schemes projective over the algebraic closure of a finite field. Let L be a line bundle on X such that p∗(L) is globally generated. A natural necessary and sufficient condition is given under which some positive tensor power of L is globally generated. An application is a sufficient condition for semi-ampleness of nef line bundles on Mg,n in positive charac...
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ژورنال
عنوان ژورنال: Communications in Algebra
سال: 2003
ISSN: 0092-7872,1532-4125
DOI: 10.1081/agb-120022449