User Sam Nead

58 votes

Why can you turn clothing right-side-out?

answered Aug 19, 2010 at 17:38

48 votes

Accepted

Why does the Mandelbrot set contain (slightly deformed) copies of itself?

answered Aug 18, 2010 at 19:41

17 votes

Mandelbrot fractal: How is it possible?

answered Apr 10, 2011 at 18:30

14 votes

Accepted

Hyperbolic metric on the torus?

answered Mar 13, 2011 at 12:47

8 votes

Can someone explain the math behind tessellation?

answered May 13, 2011 at 10:22

8 votes

restrictions on the fundamental group of a knot complement?

answered Feb 28, 2011 at 21:40

8 votes

How can I understand the three-dimensional space forms?

answered Mar 22, 2014 at 5:32

8 votes

Accepted

Why is SO(3) not $S^1 \times S^2$? (Where is the mistake?)

answered Jan 26, 2015 at 17:52

7 votes

Accepted

Embedding covers of manifolds

answered Jun 9, 2015 at 17:27

7 votes

Baloney detection kit for Math

answered Feb 1, 2014 at 20:02

7 votes

How is $\operatorname{GL}(1,\mathbb{C})$ related to $\operatorname{GL}(2,\mathbb{R})$?

answered Nov 30, 2010 at 22:29

6 votes

Hyperbolic geometry. 3 dimensions. What is not well understood?

answered Oct 26, 2010 at 10:44

6 votes

Accepted

Algorithms to find simple closed curves on a surface

answered Nov 2, 2010 at 22:32

6 votes

Residual Finiteness of Fundamental Groups of Seifert Fibered Spaces

answered Apr 17, 2011 at 17:46

6 votes

A consistent notation for algebraic numbers

answered Feb 6, 2021 at 21:28

6 votes

Accepted

An even map $S^n \to S^n$ of degree two

answered Nov 26, 2011 at 14:11

5 votes

Accepted

Closed path on torus

answered Sep 15, 2011 at 21:52

5 votes

Mapping Class Group

answered Aug 2, 2014 at 23:00

5 votes

Accepted

Computing knot/link groups

answered May 27, 2013 at 9:12

5 votes

Figure eight knot is not a torus knot

answered May 27, 2013 at 8:57

5 votes

How to prove a manifold is simply connected?... using geometry

answered Dec 8, 2010 at 14:00

4 votes

Two hyperbolic surfaces corresponding to conjugate Fuchsian groups are isometric

answered Feb 11, 2011 at 20:22

4 votes

Accepted

Different definitions for the Teichmüller space of puctured spheres

answered Nov 23, 2021 at 12:27

3 votes

Accepted

Atoroidal closed 3-manifold

answered Mar 25, 2022 at 18:10

3 votes

Have all numbers with "sufficiently many zeros" been proven transcendental?

answered Oct 9, 2010 at 8:40

3 votes

Accepted

What is topological name of a sphere with a hole in it?

answered Dec 16, 2010 at 23:32

3 votes

Accepted

Find whether n closed curves intersect

answered Apr 17, 2011 at 16:44

3 votes

Geodesic versus geodesic loop

answered Aug 1, 2011 at 10:48

3 votes

Orientable Surface Covers Non-Orientable Surface

answered Jun 20, 2015 at 11:56

3 votes

Accepted

Computing fundamental group of $S^3$ minus mutually linked circles

answered Sep 29, 2019 at 13:15

Stack Exchange Network

85 Answers

Why can you turn clothing right-side-out?

Why does the Mandelbrot set contain (slightly deformed) copies of itself?

Mandelbrot fractal: How is it possible?

Hyperbolic metric on the torus?

Can someone explain the math behind tessellation?

restrictions on the fundamental group of a knot complement?

How can I understand the three-dimensional space forms?

Why is SO(3) not $S^1 \times S^2$? (Where is the mistake?)

Embedding covers of manifolds

Baloney detection kit for Math

How is $\operatorname{GL}(1,\mathbb{C})$ related to $\operatorname{GL}(2,\mathbb{R})$?

Hyperbolic geometry. 3 dimensions. What is not well understood?

Algorithms to find simple closed curves on a surface

Residual Finiteness of Fundamental Groups of Seifert Fibered Spaces

A consistent notation for algebraic numbers

An even map $S^n \to S^n$ of degree two

Closed path on torus

Mapping Class Group

Computing knot/link groups

Figure eight knot is not a torus knot

How to prove a manifold is simply connected?... using geometry

Two hyperbolic surfaces corresponding to conjugate Fuchsian groups are isometric

Different definitions for the Teichmüller space of puctured spheres

Atoroidal closed 3-manifold

Have all numbers with "sufficiently many zeros" been proven transcendental?

What is topological name of a sphere with a hole in it?

Find whether n closed curves intersect

Geodesic versus geodesic loop

Orientable Surface Covers Non-Orientable Surface

Computing fundamental group of $S^3$ minus mutually linked circles