List questions from geometric-topology

Published on 26 Mar 2026 - 16:05

296

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Is this the Cayley graph of the braid group on three strands?

Published on 25 Mar 2026 - 11:13

96

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Dimensionality of 1D line through a 2D plane

Published on 25 Mar 2026 - 14:39

315

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Lemniscate volume by rotation

Published on 17 Mar 2020 - 19:45

482

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Does the fundamental group detect the unlink?

Published on 26 Mar 2026 - 19:15

64

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Question on cusp link for a hyperbolic 3-manifold

Published on 27 Mar 2026 - 19:52

104

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Continuously extending homeomorphisms of $S^1$ to homeomorphisms of $D^2$

Published on 23 Mar 2020 - 0:42

107

Views

A "local" version of the Jordan-Brouwer separation theorem

Published on 23 Mar 2020 - 13:17

131

Views

In the infinity norm, if three balls intersect pairwise, their total intersection is nonempty.

Published on 29 Mar 2020 - 17:29

72

Views

Regular neighborhoud of a surface with boundary

Published on 31 Mar 2020 - 11:05

30

Views

Examples of parametric equations for compact $n$-manifolds embedded in $\mathbb{R}^m$, $m>n\ge3$?

Published on 26 Mar 2026 - 7:33

430

Views

Proof: Every point-finite open cover in a normal space has an open shrinkage

Published on 25 Mar 2026 - 22:11

36

Views

Slice disks with only a minimum are bounded by the unknot

Published on 26 Mar 2026 - 19:15

45

Views

Yang-Mills Field Strength Compatibility Function

Published on 25 Mar 2026 - 16:05

472

Views

Unknot: embedded vs immersed bounding disk

Published on 25 Mar 2026 - 6:57

List Question

Surfaces in $S^4$ with one bounding a Seifert solid disjoint from the other

Is this the Cayley graph of the braid group on three strands?

Dimensionality of 1D line through a 2D plane

Lemniscate volume by rotation

Does the fundamental group detect the unlink?

Question on cusp link for a hyperbolic 3-manifold

Continuously extending homeomorphisms of $S^1$ to homeomorphisms of $D^2$

A "local" version of the Jordan-Brouwer separation theorem

In the infinity norm, if three balls intersect pairwise, their total intersection is nonempty.

Regular neighborhoud of a surface with boundary

Examples of parametric equations for compact $n$-manifolds embedded in $\mathbb{R}^m$, $m>n\ge3$?

Proof: Every point-finite open cover in a normal space has an open shrinkage

Slice disks with only a minimum are bounded by the unknot

Yang-Mills Field Strength Compatibility Function

Unknot: embedded vs immersed bounding disk

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