Any amicable pair ϕ, ψ of Sturmian morphisms enables a construction of a ternary morphism η which preserves the set of infinite words coding 3-interval exchange. We determine the number of amicable pairs with the same incidence matrix in SL±(2,ℕ) and we study incidence matrices associated with the corresponding ternary morphisms η.
@article{ITA_2012__46_1_107_0,
author = {Hejda, Tom\'a\v s},
title = {Morphisms preserving the set of words coding three interval exchange},
journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
volume = {46},
year = {2012},
pages = {107-122},
doi = {10.1051/ita/2012009},
mrnumber = {2904964},
zbl = {1247.68207},
language = {en},
url = {http://dml.mathdoc.fr/item/ITA_2012__46_1_107_0}
}
Hejda, Tomáš. Morphisms preserving the set of words coding three interval exchange. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 46 (2012) pp. 107-122. doi : 10.1051/ita/2012009. http://gdmltest.u-ga.fr/item/ITA_2012__46_1_107_0/
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