Dr Shello's user avatar
Dr Shello's user avatar
Dr Shello's user avatar
Dr Shello
  • Member for 13 years, 6 months
21 votes
3 answers
2k views

Obstructions for embedding a graph on a surface of genus g

17 votes
2 answers
1k views

The Klein bottle and the Heawood Conjecture

12 votes
7 answers
2k views

History of classifying spaces

10 votes
2 answers
464 views

Labelled spanning trees without edge crossings

9 votes
2 answers
586 views

Outer automorphisms of free groups into bigger free groups

8 votes
1 answer
1k views

Beyond an intro to topological graph theory...

7 votes
4 answers
755 views

How many finite simple groups of order $p+1$?

7 votes
2 answers
874 views

Uniqueness of loop spaces

4 votes
1 answer
328 views

Algebraic K-groups and braids

3 votes
2 answers
596 views

Kernel of modular representation of a finite group

2 votes
1 answer
267 views

Counting graceful paths

2 votes
1 answer
761 views

Automorphism of a wreath product

2 votes
1 answer
415 views

Heisenberg group over the Gaussian integers

0 votes
0 answers
355 views

self-centralizers in p-groups

-2 votes
2 answers
733 views

Lie algabra of symmetric group