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- Title
A word on 7 letters which is non-repetitive up to mod 5.
- Authors
Currie, James D.; Moodie, Erica
- Abstract
Trying to tile the plane in highly non-periodic ways leads to problems in combinatorics on words. In particular, one wants bisequences where certain subsequences are non-repetitive. The authors construct a perturbed 6-cycle which is non-repetitive up to mod 5. This answers a question of Currie and Simpson.
- Subjects
REPETITION (Rhetoric); FUNCTION algebras; SIGNS &; symbols
- Publication
Acta Informatica, 2003, Vol 39, Issue 6/7, p451
- ISSN
0001-5903
- Publication type
Article
- DOI
10.1007/s00236-003-0110-2