List questions from geometric-topology

Published on 30 Mar 2026 - 23:21

108

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Two ambient isotopic curve segments, one has the length and the other does not

Published on 08 Mar 2016 - 16:30

84

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Part2: Two ambient isotopic curve segments, one has the length and the other does not

Published on 09 Mar 2016 - 2:25

271

Views

How many disjoint dense subsets can a topological space possess?

Published on 09 Mar 2016 - 18:29

140

Views

Minimal-dimension example of (open) subset of $\mathbb{R}^n$ with trivial first cohomology but nontrivial fundamental group

Published on 31 Mar 2026 - 3:39

209

Views

Open mapping and space filling

Published on 10 Mar 2016 - 23:48

752

Views

Bockstein homomorphism and the universal coefficient theorem

Published on 29 Mar 2026 - 20:45

61

Views

About $T^6$ and $T^2 \times T^2 \times T^2$

Published on 11 Mar 2016 - 15:01

921

Views

In how many dimensions is the full-twisted "Mobius" band isotopic to the cylinder?

Published on 12 Mar 2016 - 2:23

663

Views

Surface filling simple closed curves

Published on 16 Mar 2016 - 14:03

287

Views

Evaluating Colored Jones Polynomial of a trefoil knot

Published on 28 Mar 2026 - 6:40

58

Views

Shrinking some polygons to make the containing polygon connected

Published on 27 Mar 2016 - 14:40

125

Views

$\mathbb{R}^{N}/\Sigma_{n}$ as a topological space

Published on 23 Feb 2026 - 4:38

251

Views

End of 3-manifold

Published on 31 Mar 2026 - 11:31

2.8k

Views

Definition of n-cell and cell complex

Published on 02 Apr 2016 - 14:59

List Question

Euler characteristic of a sphere using 'grid method'

Two ambient isotopic curve segments, one has the length and the other does not

Part2: Two ambient isotopic curve segments, one has the length and the other does not

How many disjoint dense subsets can a topological space possess?

Minimal-dimension example of (open) subset of $\mathbb{R}^n$ with trivial first cohomology but nontrivial fundamental group

Open mapping and space filling

Bockstein homomorphism and the universal coefficient theorem

About $T^6$ and $T^2 \times T^2 \times T^2$

In how many dimensions is the full-twisted "Mobius" band isotopic to the cylinder?

Surface filling simple closed curves

Evaluating Colored Jones Polynomial of a trefoil knot

Shrinking some polygons to make the containing polygon connected

$\mathbb{R}^{N}/\Sigma_{n}$ as a topological space

End of 3-manifold

Definition of n-cell and cell complex

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