English

Clustering words

Combinatorics 2012-04-09 v1

Abstract

We characterize words which cluster under the Burrows-Wheeler transform as those words ww such that wwww occurs in a trajectory of an interval exchange transformation, and build examples of clustering words.

Keywords

Cite

@article{arxiv.1204.1541,
  title  = {Clustering words},
  author = {Sébastien Ferenczi and Luca Q. Zamboni},
  journal= {arXiv preprint arXiv:1204.1541},
  year   = {2012}
}
R2 v1 2026-06-21T20:45:52.474Z