We give an elementary proof of a property discovered by Xavier Grandsart: let be a circular binary word; then the differences in the number of occurrences , , and are equal; this property is easily generalized using the De Bruijn graph.
Accepté le :
DOI : 10.1051/ita/2016019
Keywords: Circular words, factors, De Bruijn graphs
Arnoux, Pierre  1
@article{ITA_2016__50_2_167_0,
author = {Arnoux, Pierre},
title = {Note on occurrences of factors in circular words},
journal = {RAIRO. Theoretical Informatics and Applications},
pages = {167--170},
year = {2016},
publisher = {EDP-Sciences},
volume = {50},
number = {2},
doi = {10.1051/ita/2016019},
mrnumber = {3580109},
zbl = {1429.68200},
language = {en},
url = {https://www.numdam.org/articles/10.1051/ita/2016019/}
}
TY - JOUR AU - Arnoux, Pierre TI - Note on occurrences of factors in circular words JO - RAIRO. Theoretical Informatics and Applications PY - 2016 SP - 167 EP - 170 VL - 50 IS - 2 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/ita/2016019/ DO - 10.1051/ita/2016019 LA - en ID - ITA_2016__50_2_167_0 ER -
Arnoux, Pierre. Note on occurrences of factors in circular words. RAIRO. Theoretical Informatics and Applications, Tome 50 (2016) no. 2, pp. 167-170. doi: 10.1051/ita/2016019
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