RAIRO-Theor. Inf. Appl.
Volume 42, Number 3, July-September 2008JM'06
|Page(s)||477 - 480|
|Published online||03 June 2008|
Dejean's conjecture and letter frequency
LIF, CNRS, Université de Provence, CMI, 39 rue Joliot-Curie, 13453 Marseille, France;
2 LRI, CNRS, Université Paris-Sud 11, Bât 490, 91405 Orsay Cedex, France; email@example.com
We prove two cases of a strong version of Dejean's conjecture involving extremal letter frequencies. The results are that there exist an infinite -free word over a 5 letter alphabet with letter frequency and an infinite -free word over a 6 letter alphabet with letter frequency .
Mathematics Subject Classification: 68R15
© EDP Sciences, 2008
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.