List questions from geometric-topology

Published on 25 Mar 2026 - 16:03

64

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What will happen when $T^3$ evolves under Ricci flow?

Published on 25 Mar 2026 - 2:59

377

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If a surface, M, has $\pi_1(M)=\mathbb{Z}\ast…\ast \mathbb{Z}$, is M a finitely punctured closed surface?

Published on 25 Mar 2026 - 22:26

22

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What is the minimum number of values needed to describe the orientation of a $3$-dimensional rigid body in $n$-dimensions?

Published on 26 Mar 2026 - 7:35

113

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Poincaré conjecture for positively curved Thurston geometries

Published on 28 Mar 2026 - 7:41

175

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Effect of surgery on $S^1 \times S^3$

Published on 27 Mar 2026 - 17:09

5.8k

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Compare the dictionary order topology and product topology on RxR.

Published on 25 Aug 2016 - 18:58

278

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Cover of the disk that behaves like a circle

Published on 25 Aug 2016 - 20:14

167

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Fixed points of complex conjugation on $\mathbb{C}P^n$ homeomorphic to $\mathbb{R}P^n$

Published on 28 Mar 2026 - 10:35

249

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Characterization of an open set in the punctured plane by its intersection with lines through the origin

Published on 28 Aug 2016 - 21:47

691

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Are all convex hulls polytopes too?

Published on 25 Mar 2026 - 20:35

324

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Intuition for definition of Gromov norm?

Published on 08 Sep 2016 - 8:10

710

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"exotic" embedding of a disk into a sphere

Published on 08 Sep 2016 - 12:17

1.7k

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Understanding Poincare Duality

Published on 26 Mar 2026 - 15:36

75

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Non-homeomorphic spaces that can have homeomorphic open cones.

Published on 25 Mar 2026 - 10:21

List Question

relationship between $f_\pi:\pi_1(M)\to \pi_1(N)$ and $\deg(f)$

What will happen when $T^3$ evolves under Ricci flow?

If a surface, M, has $\pi_1(M)=\mathbb{Z}\ast…\ast \mathbb{Z}$, is M a finitely punctured closed surface?

What is the minimum number of values needed to describe the orientation of a $3$-dimensional rigid body in $n$-dimensions?

Poincaré conjecture for positively curved Thurston geometries

Effect of surgery on $S^1 \times S^3$

Compare the dictionary order topology and product topology on RxR.

Cover of the disk that behaves like a circle

Fixed points of complex conjugation on $\mathbb{C}P^n$ homeomorphic to $\mathbb{R}P^n$

Characterization of an open set in the punctured plane by its intersection with lines through the origin

Are all convex hulls polytopes too?

Intuition for definition of Gromov norm?

"exotic" embedding of a disk into a sphere

Understanding Poincare Duality

Non-homeomorphic spaces that can have homeomorphic open cones.

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