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15
Math.TechQA.Club
2026-03-28 10:16:32
179
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A locally connected metric space of first category
Published on
28 Mar 2026 - 10:16
#general-topology
#metric-spaces
#examples-counterexamples
#connectedness
#baire-category
42
Views
Can someone criticise my incorrect proof about a set being open?
Published on
12 Apr 2026 - 21:25
#metric-spaces
#proof-verification
232
Views
Is the diameter of intersection of a set with a sphere of radius $r$ a measurable function of $r$?
Published on
13 Apr 2026 - 5:15
#measure-theory
#metric-spaces
#lebesgue-measure
67
Views
A question about closed ball in metric space
Published on
11 Apr 2026 - 14:37
#metric-spaces
1.4k
Views
Is distance between two sets equal to that between their boundary?
Published on
12 Apr 2026 - 1:54
#general-topology
#metric-spaces
3.4k
Views
Which of the following sets are dense in $C[0,1]$
Published on
12 Jun 2014 - 10:59
#real-analysis
#general-topology
#metric-spaces
227
Views
How to prove that a metric space is compact if it is complete and totally bounded?
Published on
12 Apr 2026 - 15:03
#metric-spaces
#compactness
101
Views
Subset of infinite connected set
Published on
12 Apr 2026 - 17:27
#general-topology
#metric-spaces
309
Views
Uniform Spaces: Completeness
Published on
12 Apr 2026 - 5:13
#category-theory
#metric-spaces
714
Views
Characterization of continuity by subsequences.
Published on
11 Apr 2026 - 6:46
#real-analysis
#metric-spaces
#continuity
499
Views
Interesting Metrics
Published on
18 Jun 2014 - 19:48
#metric-spaces
175
Views
Can I take Inverse Limits as Cauchy sequences literally?
Published on
10 Apr 2026 - 10:11
#category-theory
#metric-spaces
#cauchy-sequences
529
Views
Showing infimum of distance is attained
Published on
13 Apr 2026 - 19:43
#general-topology
#metric-spaces
907
Views
Proving compactness of the extended complex plane
Published on
12 Apr 2026 - 17:52
#complex-analysis
#metric-spaces
#compactness
1.5k
Views
The completeness assumption in Prokhorov's theorem
Published on
10 Apr 2026 - 22:13
#measure-theory
#probability-theory
#metric-spaces
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