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Greatest common length of permutation

Given two permutations $\pi_1$ and $\pi_2$ without their cycle decompositions is there a good method to compute the largest cycle length common between them in their decompositions? a good method to ...
Turbo's user avatar
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Combinatorics of merging sequences from multinomial coefficients

If you have $m$ sequences $a_{11},\dots,a_{1n_1}$ through $a_{m1},\dots,a_{mn_m}$ each sorted in ascending order (assume there are no duplicates) then there is an unique way to merge them. How many ...
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normal sets and conjugate generating sets of $S_n$

In this arXiv paper (p. 13), Steinhardt defines a normal set in $S_n$ as follows: Definition: A split set of more than two cycles generating $S_n$ is said to be normal if any element is adjacent to ...
svsring's user avatar
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