AMPLE DIVISOR;
CURVE WITH GENERAL MODULI;
EFFECTIVE DIVISOR;
SYMMETRICAL PRODUCT OF CURVE;
D O I:
10.2307/2154312
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
For a curve with general moduli, the Neron-Severi group of its symmetric products is generated by the classes of two divisors x and theta. In this paper we give bounds for the cones of effective and ample divisors in the xtheta-plane.
机构:
Univ Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, ItalyUniv Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, Italy
Cacciola, Salvatore
Lopez, Angelo Felice
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机构:
Univ Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, ItalyUniv Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, Italy
Lopez, Angelo Felice
Viviani, Filippo
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机构:
Univ Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, ItalyUniv Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, Italy