by Marie-Pierre Béal and Dominique Perrin
Reference:
A quadratic upper bound on the size of a synchronizing word in one-Cluster automata (Marie-Pierre Béal and Dominique Perrin), In Developments in Language Theory, 2009.
Bibtex Entry:
@inproceedings{IGMA_BeaPer09,
author = {Marie-Pierre B{\'e}al and
Dominique Perrin},
title = {A quadratic upper bound on the size of a synchronizing word
in one-Cluster automata},
booktitle = {Developments in Language Theory},
year = {2009},
pages = {81-90},
url = {http://dx.doi.org/10.1007/978-3-642-02737-6_6},
pdf = {http://igm.univ-mlv.fr/~beal/Recherche/Publications/dlt2009.pdf},
}