verret
  • Member for 9 years, 10 months
  • Last seen this week
  • Auckland, New Zealand
1 answers
62 votes
3k views
19 bookmarks
Normalizers in symmetric groups
5 answers
38 votes
2k views
21 bookmarks
Is every path with this property shorter than another path with the same endpoints?
1 answers
18 votes
865 views
8 bookmarks
Lower bounds on the number of elements in Sylow subgroups
3 answers
17 votes
415 views
5 bookmarks
Graph that minimizes the number of b/w colorings where white vertices have an odd number of black
1 answers
16 votes
403 views
3 bookmarks
Can the graph of a symmetric polytope have more symmetries than the polytope itself?
1 answers
15 votes
430 views
4 bookmarks
Escaping from a centralizer
0 answers
12 votes
674 views
3 bookmarks
$2$-group with two isomorphic normal subgroups of index $4$ with non-isomorphic quotients
1 answers
10 votes
229 views
2 bookmarks
Edge-transitive Cayley graphs of $S_n$
1 answers
10 votes
366 views
2 bookmarks
Small automorphism groups of groups
2 answers
9 votes
396 views
2 bookmarks
Vertex-primitive graphs with two vertices having almost the same neighbourhood
3 answers
7 votes
467 views
2 bookmarks
Product-one sets in non-commutative groups
1 answers
5 votes
290 views
3 bookmarks
Maximum size of minimal sequence of transpositions whose product is a given permutation
2 answers
5 votes
369 views
1 bookmarks
A finite group that splits and does not split
2 answers
3 votes
256 views
1 bookmarks
Length of composition series in a primitive group
1 answers
3 votes
149 views
1 bookmarks
When is a sequence of group extensions associative?
1 answers
3 votes
444 views
1 bookmarks
Permutation groups transitive on partitions into ordered pairs
1 answers
3 votes
149 views
2 bookmarks
When is a $k$-distance-transitive graph already distance-transitive?
0 answers
1 votes
86 views
1 bookmarks
Is it possible to stab every permutation of any four element subset of $D_n$ with less than $n/2$ elements?