Stefan H.

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1,777 reputation

1315

bio	website
	location	Bremen, Germany
	age	29
visits	member for	8 months
	seen	14 hours ago
stats	profile views	212

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74 Answers

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5	$f$ brings convergent nets to convergent nets, is it continuous?
5	Topology on Klein bottle?
5	Compact set - prove that supremum is actually maximum
4	$A_n$ is decreasing to a singleton. Do all neighborhoods of the singleton, contain almost all $A_n$?
4	Is the image of a path or arc locally path/arc connected?

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1,777 Reputation

+10	How easily to check: $f$ is a closed map?
+2	Difference between 'A open subset of B' and 'A open relative to B'
+15	The restriction of a covering map on the connected component of its definition domain
+2	Topology - Dunce Cap Homotopy Equivalent to $S^2$

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3 Questions

votes activity newest

12	Does $gHg^{-1}\subseteq H$ imply $gHg^{-1}= H$?
5	locally Hausdorff & compact $\Rightarrow$ locally compact
5	Fiber bundle is compact if base and fiber are

27 Tags

96 general-topology × 68	7 continuity × 2
25 algebraic-topology × 18	6 covering-spaces × 7
12 compactness × 6	6 homework × 6
9 connectedness × 6	5 calculus
9 examples-counterexamples × 3	5 vector-spaces

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3 Accounts

$Mathematics Stack Exchange$	Mathematics	1,777 rep	1315
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	101 rep
	Ask Ubuntu	101 rep	1

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