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MIT PRIMES/Art of Problem Solving

CROWDMATH 2018: Neural Codes

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PQ tree algorithm
A1234   1
N Nov 7, 2018 by JGeneson
This paper references the "PQ tree algorithm." I looked this up and have found information about what PQ trees are. However, I haven't been able to find a clear explanation of what the algorithm does and how it solves Theorem 1.6 in this paper. Can someone please explain the PQ tree algorithm or link to a paper or article that explains it?
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A1234
Jul 9, 2018
JGeneson
Nov 7, 2018
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