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Results tagged with permutations
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user 36601
7
votes
1
answer
286
views
Distinguishability a set of permutations
the permutations. … We say that a subset $T\subseteq [n]$ is distinguished by a collection of permutations if it is distinguishable by every pair of permutations in the collection. …
- 437
3
votes
0
answers
124
views
Finding the longest sub-permutation with bounded inversion number
Given a permutation $\sigma\in S_n$ and a positive integer $k$, find the largest integer $0\le m\le n$ such that there exist a subset $I\subseteq [n], |I|=m$, satisfying that the restriction of $\sigm …
- 437