搜索结果: 1-1 共查到“数学 network character”相关记录1条 . 查询时间(0.046 秒)
On meager function spaces, network character and meager convergence in topological spaces
network character meager convergent sequence meager filter meager space
2011/1/20
For a non-isolated point x of a topological space X let nw (x) be the smallest cardinality of a family N of infinite subsets of X such that each neighborhood O(x) X of x contains a set N 2 N.