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Results tagged with permutations
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user 9672
Questions related to permutations, bijections from a finite (or sometimes infinite) set to itself.
6
votes
Provoking involutions further
Define a standard bitableau of size $n$ to be a pair $(P_1, P_2)$ of standard tableaux of total size $n$ such that each of the integers $1,\dotsc, n$ occurs exactly once in either tableau.
Then $I_2( …
- 5,654
3
votes
On the symmetric group of 2^n elements
These spaces are related to $2$-Sylow subgroups of $S_n$. For example, if $n=2^k$, then $X^n_{k+1}$ is the set of $2$-Sylow subgroups of $S_n$. To see this, note that $S_n$ acts transitively on $X^n_{ …
- 5,654