机构:
ACAD SCI USSR,INT INST THEORY PREDICT EARTHQUAKES & MATH GEOPHYS,MOSCOW V-71,USSRACAD SCI USSR,INT INST THEORY PREDICT EARTHQUAKES & MATH GEOPHYS,MOSCOW V-71,USSR
USPENSKII, VV
[1
]
机构:
[1] ACAD SCI USSR,INT INST THEORY PREDICT EARTHQUAKES & MATH GEOPHYS,MOSCOW V-71,USSR
来源:
MATHEMATICS OF THE USSR-IZVESTIYA
|
1990年
/
54卷
/
06期
关键词:
D O I:
暂无
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
The free topological group F(X) of an arbitrary metrizable space X is complete in the Weil sense. If Y is a closed subspace of a metrizable space X, then F(Y) is a topological subgroup of F(X).