List questions from low-dimensional-topology

Published on 11 Mar 2014 - 5:14

161

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Topological Energy and Chern-Simons-Dirac functional

Published on 26 Mar 2026 - 1:02

58

Views

Visualizing surfaces bounded by loops in perfect fundamental groups

Published on 20 Apr 2017 - 5:19

211

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Particular case of Gauss-Bonnet for polygons in $\mathbb{R}^2, \mathbb{H}^2$ and $\mathbb{S}^2$

Published on 27 Apr 2017 - 10:48

56

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PL immersions vs embedding

Published on 04 May 2017 - 13:57

116

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"elliptic 3-manifolds are orientable"

Published on 05 May 2017 - 17:25

249

Views

Is there a simple example of a transitive vector field on the three sphere?

Published on 15 May 2017 - 15:54

689

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Heegaard Splittings of Non-orientable 3 manifolds

Published on 29 May 2017 - 20:32

121

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Is the integral of the volume of a cone the volume (or equivalent) of a shape projected in a 4th dimension?

Published on 09 Jun 2017 - 9:38

223

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Can a region of the $xy$ plane be infinite in area and topologically closed?

Published on 09 Jun 2017 - 15:46

167

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What is the difference between $(S^{2}\times S^{1})\# (S^{2}\times S^{1})\# (S^{2}\times S^{1})$ and $ S^{1}\times S^{1}\times S^{1}$.

Published on 23 Feb 2026 - 6:25

160

Views

On definition of a surface-knot

Published on 26 Mar 2026 - 14:42

217

Views

index of free group in another free group

Published on 25 Mar 2026 - 7:43

255

Views

Proving that an essential surface in a 3-manifold must be separating under $\pi_1$ assumptions.

Published on 10 Jul 2017 - 22:25

76

Views

Constructing non-zero obstruction by cutting along a non-separating torus and regluing

Published on 11 Jul 2017 - 21:36

List Question

Pathway to low dimensional topology.

Topological Energy and Chern-Simons-Dirac functional

Visualizing surfaces bounded by loops in perfect fundamental groups

Particular case of Gauss-Bonnet for polygons in $\mathbb{R}^2, \mathbb{H}^2$ and $\mathbb{S}^2$

PL immersions vs embedding

"elliptic 3-manifolds are orientable"

Is there a simple example of a transitive vector field on the three sphere?

Heegaard Splittings of Non-orientable 3 manifolds

Is the integral of the volume of a cone the volume (or equivalent) of a shape projected in a 4th dimension?

Can a region of the $xy$ plane be infinite in area and topologically closed?

What is the difference between $(S^{2}\times S^{1})\# (S^{2}\times S^{1})\# (S^{2}\times S^{1})$ and $ S^{1}\times S^{1}\times S^{1}$.

On definition of a surface-knot

index of free group in another free group

Proving that an essential surface in a 3-manifold must be separating under $\pi_1$ assumptions.

Constructing non-zero obstruction by cutting along a non-separating torus and regluing

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