List questions from general-topology

Published on 16 Apr 2026 - 12:52

64

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Prove: [0,1] is supercompact

Published on 10 Apr 2026 - 17:38

194

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Equilateral triangle packing in the $l^1$ circle v.s. the $l^2$ circle

Published on 11 May 2026 - 0:33

171

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Extension of local diffeomorphism

Published on 11 Apr 2026 - 6:27

56

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Proof that a set is closed, having compactness

Published on 14 Apr 2026 - 23:19

67

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Divergence on definitions of limit point compactness

Published on 12 Apr 2026 - 12:22

109

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General topology, compact sets, neighborhoods

Published on 10 Apr 2026 - 20:36

36

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A function that is continous but non constant between two particular topological spaces

Published on 12 Apr 2026 - 6:42

65

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How to show $S={{(x,y,0) : x,y \in \Bbb{R}}}$ is closed?

Published on 12 Apr 2026 - 20:04

399

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Intuition/clarification for product topology in Munkres' Topology

Published on 14 Apr 2026 - 15:23

58

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Open Cover of (0,1) by infinite collection of sets

Published on 13 Apr 2026 - 23:02

53

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Under which assumptions are two Borel measures equal?

Published on 10 Apr 2026 - 1:24

2.5k

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Why don't we use closed covers to define compactness of metric space?

Published on 14 Apr 2026 - 8:24

246

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Isotopy between homeomorphisms of open balls

Published on 10 Apr 2026 - 4:30

134

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Dual of a complete topological group

Published on 15 May 2026 - 3:38

List Question

Smooth Manifolds: Charts or Parametrizations?

Prove: [0,1] is supercompact

Equilateral triangle packing in the $l^1$ circle v.s. the $l^2$ circle

Extension of local diffeomorphism

Proof that a set is closed, having compactness

Divergence on definitions of limit point compactness

General topology, compact sets, neighborhoods

A function that is continous but non constant between two particular topological spaces

How to show $S={{(x,y,0) : x,y \in \Bbb{R}}}$ is closed?

Intuition/clarification for product topology in Munkres' Topology

Open Cover of (0,1) by infinite collection of sets

Under which assumptions are two Borel measures equal?

Why don't we use closed covers to define compactness of metric space?

Isotopy between homeomorphisms of open balls

Dual of a complete topological group

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