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subpermutation

From Wiktionary, the free dictionary

English

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Etymology

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From sub- +‎ permutation.

Noun

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subpermutation (plural subpermutations)

  1. A permutation that is a subset of another permutation, containing only some of its elements.
    • 2016, William Adamczak, “A Note on the Structure of Roller Coaster Permutations”, in arXiv‎[1]:
      A roller coaster permutation is described as a permutation that maximizes the total switches from ascending to descending or visa versa for the permutation and all of its subpermutations simultaneously.
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