| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4659964 | Topology and its Applications | 2012 | 7 Pages |
Abstract
It is shown that if for a complete metric space (X,d) there is a constant ε>0 such that the intersection of open balls is nonempty for every finite system x1,…,xn∈X of centers and a corresponding system of radii r1,…,rn>0 such that d(xj,xk)⩽ε and d(xj,xk)
Related Topics
Physical Sciences and Engineering
Mathematics
Geometry and Topology
