Geography for surfaces of general type in positive characteristic
Geography for surfaces of general type in positive characteristic
复制标题
正特征中一般类型表面的地理
DOI：
10.1007/bf01243913
复制
发表时间：
1991
影响因子：
3.1
通讯作者：
N. Shepherd
中科院分区：
文献类型：
--
作者：
N. Shepherd
尽可能粗略地说，地理学的问题是从其陈数（c2，c2）的约束中推导出一般类型的极小曲面X的各种性质（例如，它的存在性或无扰性），（参见。[P]）。这里考虑的这个问题的方面如下。固定一个正的真实的数~。然后在（x，y）平面中，x= c2和y= c2，考虑三个区域：
Put as crudely as possible, the problem of geography is to deduce various properties of a minimal surface X of general type (for example, its existence or uniruledness) from constraints on its Chern numbers (c2, c2),(cf.[P]). The aspect of this problem considered here is the following. Fix a positive real number~. Then in the (x, y)-plane with x= c2 and y= c 2, consider three regions: