Pierre R. (unregistered)
Apparently, this user prefers to keep an air of mystery about them.
5 Why is any compact metric space the union of a countable set a subset which is a perfect space under the induced topology? Sep 27 '11
1 Is nonempty intersection with every set in a base a sufficient condition to prove the closure of the set is the whole space? Sep 28 '11
0 Why do these inequalities in metric spaces hold? Sep 29 '11