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Top Questions
9
votes
Diameter of the modified bubble-sort graph
co.combinatorics
gr.group-theory
graph-theory
algorithms
symmetric-groups
asked Aug 9, 2015 at 4:08
mathoverflow.net
5
votes
Structure of the stabilizer of a vertex-neighborhood of a vertex-transitive graph
co.combinatorics
graph-theory
algebraic-combinatorics
algebraic-graph-theory
asked Jan 4, 2015 at 18:56
mathoverflow.net
Top Answers
12
Finding the centralizer of a permutation
math.stackexchange.com
9
What does it mean to say "a divides b"
math.stackexchange.com
8
Are all Sylow 2-subgroups in $S_4$ isomorphic to $D_4$?
math.stackexchange.com
6
Number of spanning trees of this graph
math.stackexchange.com
5
What is the image of the linear mapping ${P} : \mathbb{V}\rightarrow \mathbb{V}$ where $(Pf)(x)= [f(x) + f(-x)]/2$
math.stackexchange.com
5
Proving $(\alpha + \beta)^{p^n} = \alpha^{p^n} + \beta^{p^n}$ in a finite field
math.stackexchange.com
5
Prove $\sum_{k=0}^{n-2}{n-k \choose 2} = {n+1 \choose 3}$
math.stackexchange.com
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