Sam Nead's user avatar
Sam Nead's user avatar
Sam Nead's user avatar
Sam Nead
  • Member for 14 years, 5 months
  • Last seen this week
86 votes
16 answers
8k views

Teaching homology via everyday examples

43 votes
9 answers
28k views

Applications of knot theory

38 votes
3 answers
2k views

Do finite groups acting on a ball have a fixed point?

26 votes
2 answers
3k views

Teaching the fundamental group via everyday examples

15 votes
1 answer
701 views

Teaching cohomology via everyday examples

13 votes
2 answers
1k views

Closed hyperbolic manifold with right-angled fundamental domain

11 votes
3 answers
730 views

Explicit triples of isomorphic Riemann surfaces

11 votes
4 answers
2k views

Early illustrations of topological notions in published work

10 votes
1 answer
564 views

If the universal cover has three boundary components, does it have infinitely many?

10 votes
2 answers
859 views

Packing twelve spherical caps to maximize tangencies

7 votes
1 answer
778 views

Counting submanifolds of the plane

6 votes
7 answers
2k views

Typesetting mathematics: how do {\em you} convert text into pdf?

4 votes
0 answers
101 views

Retriangulating manifolds via triangulations of low local complexity