On invertible substitutions with two fixed points |
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| Authors: | Zhi-Xiong Wen Zhi-Ying Wen Jun Wu |
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| Institution: | 1. Nonlinear Science Center, Department of Mathematics, Wuhan University, Wuhan 430072, China;2. Department of Mathematics, Tsinghua University, Beijing 10084, China |
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| Abstract: | Let ? be a primitive substitution on a two-letter alphabet {a,b} having two fixed points ξa and ξb. We show that the substitution ? is invertible if and only if one has ξa=abξ and ξb=baξ. To cite this article: Z.-X. Wen et al., C. R. Acad. Sci. Paris, Ser. I 334 (2002) 727–731. |
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