All Questions
1 question
5
votes
2
answers
1k
views
Ends of topological spaces. Why independent of choice of ascending sequence of compact subsets?
Quoting from http://en.wikipedia.org/wiki/End_(topology):
"Let X be a topological space, and suppose that
K1 ⊂ K2 ⊂ K3 ⊂ · · ·
is an ascending sequence of compact ...