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:
Chinese Acad Sci, Acad Math & Syst Sci, 55 East Zhongguancun Rd, Beijing 100190, Peoples R ChinaChinese Acad Sci, Acad Math & Syst Sci, 55 East Zhongguancun Rd, Beijing 100190, Peoples R China