Geodesic
Derived Subspaces of Metric Spaces
Canadian mathematical bulletin, Tome 23 (1980) no. 4, pp. 465-467

Voir la notice de l'article provenant de la source Cambridge

DOI

It is shown that the boundary of the set of accumulation points of a metrizable space X is compact iff X has a compatible metric d such that d(A, B)>0 whenever A and B are disjoint closed subsets of X, each of which is disjoint from the set of accumulation points. 
Martin, Harold W. Derived Subspaces of Metric Spaces. Canadian mathematical bulletin, Tome 23 (1980) no. 4, pp. 465-467. doi: 10.4153/CMB-1980-070-0
@article{10_4153_CMB_1980_070_0,
     author = {Martin, Harold W.},
     title = {Derived {Subspaces} of {Metric} {Spaces}},
     journal = {Canadian mathematical bulletin},
     pages = {465--467},
     year = {1980},
     volume = {23},
     number = {4},
     doi = {10.4153/CMB-1980-070-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-070-0/}
}
TY  - JOUR
AU  - Martin, Harold W.
TI  - Derived Subspaces of Metric Spaces
JO  - Canadian mathematical bulletin
PY  - 1980
SP  - 465
EP  - 467
VL  - 23
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-070-0/
DO  - 10.4153/CMB-1980-070-0
ID  - 10_4153_CMB_1980_070_0
ER  - 
%0 Journal Article
%A Martin, Harold W.
%T Derived Subspaces of Metric Spaces
%J Canadian mathematical bulletin
%D 1980
%P 465-467
%V 23
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-070-0/
%R 10.4153/CMB-1980-070-0
%F 10_4153_CMB_1980_070_0

Cité par Sources :