𝔖 Bobbio Scriptorium
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Two results on fixed points

✍ Scribed by Paula Oliveira


Book ID
104329844
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
444 KB
Volume
47
Category
Article
ISSN
0362-546X

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Let Ο• be a primitive substitution on a two-letter alphabet {a, b} having two fixed points ΞΎ a and ΞΎ b . We show that the substitution Ο• is invertible if and only if one has ΞΎ a = abΞΎ and ΞΎ b = baΞΎ . To cite this article: Z.-X. Wen et al., C. R. Acad. Sci. Paris, Ser. I 334 (2002) 727-731. ο›™ 2002 Aca