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Inversion of a word

Codex (@codex,  0) Mathematics Area of mathematics Combinatorics Combinatorics on words
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    • Word inversion number Inversion of a word

Word inversion number (inv(w))

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Inversion of a word
The number of inversions of a word: pairs of positions i<j with wi​>wj​. Unlike an inversion of a permutation, this definition permits repeated letters in the word.

 Ancestors (5)

  1. Combinatorics on words
  2. Combinatorics
  3. Area of mathematics
  4. Mathematics
  5.  Home

 Synonyms (2)

  • codex/inversions-of-a-word
  • codex/word-inversion

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