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visits member for 3 years, 8 months
seen 12 hours ago

Sep
18
awarded  Popular Question
Sep
10
awarded  Popular Question
Sep
1
awarded  Nice Question
Sep
1
comment Homology of disjoint union is direct sum of homologies
@Vrouvrou Sorry this is way too long ago and I think I never really understood Mayer-Vietoris, sadly.
Sep
1
awarded  Popular Question
Aug
18
revised Every subsequence of $x_n$ has a further subsequence which converges to $x$.Then the sequence $x_n$ converges to $x$.
added 1 character in body
Aug
18
comment Every subsequence of $x_n$ has a further subsequence which converges to $x$.Then the sequence $x_n$ converges to $x$.
What's the setting here? Metric spaces?
Aug
7
revised Weakly continuous function but not strongly continuous.
obliterating the homework tag
Aug
6
revised Continuous function on a compact metric space is uniformly continuous
obliterating homework tag
Jul
22
awarded  Nice Question
Jul
22
comment Showing that an inclusion is null homotopic
@t.b. It's funny. Reading this I barely recognise my old self from 4 years ago.
Jul
22
comment Group of Unitaries: Strong Continuity
@Freeze_S Yes. The only exception that comes to mind now is when you post a comment on someone else's post like e.g. this answer. Then the author will get notified of the comments whether they include pings or not. No problem!
Jul
21
comment Group of Unitaries: Strong Continuity
@Freeze_S Wonderful. Also note that unless you ping users with "@username" they won't get pinged and won't notice it if you replied. I only saw it because I came here to check.
Jul
21
revised Group of Unitaries: Strong Continuity
added 2 characters in body
Jul
21
comment Group of Unitaries: Strong Continuity
@Freeze_S So why is the downvote still there? I'm going to make a trivial edit in case you don't have enough privileges.
Jul
15
comment Solve Burgers' Equation with side condition.
en.wikipedia.org/wiki/Burgers'_equation
Jul
15
revised Solve Burgers' Equation with side condition.
edited title
Jul
15
accepted Permutation models: when are they isomorphic?
Jul
14
comment Topology of uniform convergence?
I get it. Whoever wrote the Wikipedia article misuses "topology of uniform convergence" to mean "topology induced by $\|\cdot\|_\infty$". How terrible. This individual should be banned from writing about mathematics.
Jul
14
revised Topology of uniform convergence?
edited tags; edited title