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visits member for 1 year, 9 months
seen Dec 4 '12 at 21:10

Dec
4
comment Open cover of a metric space
Thanks, when you say "family of" open sets, do you mean union of open sets?
Dec
4
asked Open cover of a metric space
Dec
4
awarded  Student
Dec
3
comment Closure of a metric space.
boundary of A is the set of points that for every r>0 we can find a ball B(x,r) such that B contains points from both A and outside of A.
Dec
3
asked Closure of a metric space.
Dec
3
comment Isolated point in metric spaces
thanks, so, am i right this onyl happens with the discrete metrics?
Dec
3
asked Isolated point in metric spaces
Nov
25
asked metrics, open sets, two metrics having same open sets
Nov
24
comment metrics, open sets
what i understand from the question is, not for all x and y, these are just two random metrics. Am i right?
Nov
24
asked metrics, open sets
Nov
23
asked pre hilbert space
Nov
12
asked bounded sequence, cluster point, Bolzano-Weierstrass…
Nov
12
awarded  Editor
Nov
12
revised Mathematical Analysis-Cluster points-Bolzano Weistrass THM
added 130 characters in body
Nov
11
comment Mathematical Analysis-Cluster points-Bolzano Weistrass THM
This is my homework and I am stuck. I am not sure how to use Bolzano Weierstrass thm here. Can you please help me do it?
Nov
11
asked Mathematical Analysis-Cluster points-Bolzano Weistrass THM