List questions from geometric-topology

Published on 26 Mar 2026 - 13:00

203

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A homotopy equivalence between two sets

Published on 25 Mar 2015 - 18:08

1.5k

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Stiefel-Whitney class of complex projective spaces

Published on 26 Mar 2026 - 20:39

370

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Are knot complements prime 3-manifolds?

Published on 27 Mar 2026 - 22:03

101

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Parallelizing lines

Published on 30 Mar 2026 - 8:36

92

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Decomposition of ball in Banach Tarski paradox and covering a soccer ball

Published on 28 Mar 2026 - 9:53

363

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Orbits of mapping class group on four-punctured sphere

Published on 09 Apr 2015 - 16:23

318

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Question about closed sets

Published on 12 Apr 2015 - 14:49

395

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1-surgery on the figure-eight knot: reference request

Published on 26 Mar 2026 - 9:49

126

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Embed $S^{p} \times S^q$ in $S^d$?

Published on 01 Apr 2026 - 12:28

47

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Homology group and homotopy group of the standard twin

Published on 25 Mar 2026 - 9:29

47

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Linking of $S^p$ and $S^q$ in the $\mathbb{R}^d$ space

Published on 27 Mar 2026 - 23:47

402

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A differentiable manifold of class $\mathcal{C}^{r}$ tangent to $E^{\pm}$ and representable as graph

Published on 19 Apr 2015 - 5:15

161

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Embeddability of connected sum of non-embeddable surfaces

Published on 19 Apr 2015 - 5:54

155

Views

Examples of connections between bounded cohomology and geometric properties of groups

Published on 27 Mar 2026 - 23:15

List Question

How equivalent are the homeomorphism and diffeomorphism groups of 3-manifolds?

A homotopy equivalence between two sets

Stiefel-Whitney class of complex projective spaces

Are knot complements prime 3-manifolds?

Parallelizing lines

Decomposition of ball in Banach Tarski paradox and covering a soccer ball

Orbits of mapping class group on four-punctured sphere

Question about closed sets

1-surgery on the figure-eight knot: reference request

Embed $S^{p} \times S^q$ in $S^d$?

Homology group and homotopy group of the standard twin

Linking of $S^p$ and $S^q$ in the $\mathbb{R}^d$ space

A differentiable manifold of class $\mathcal{C}^{r}$ tangent to $E^{\pm}$ and representable as graph

Embeddability of connected sum of non-embeddable surfaces

Examples of connections between bounded cohomology and geometric properties of groups

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