We show that every word-hyperbolic group is residually finite if and only if every word-hyperbolic group has a finite quotient.
Some Properties of the Singular Words of the Fibonacci Word
โ Scribed by Wen Zhi-Xiong; Wen Zhi-Ying
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 324 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0195-6698
No coin nor oath required. For personal study only.
โฆ Synopsis
The combinatorial properties of the Fibonacci infinite word are of great interest in some aspects of mathematics and physics, such as number theory, fractal geometry, formal language, computational complexity, quasicrystals etc.
In this note, we introduce the singular words of the Fibonacci infinite word and discuss their properties. We establish two decompositions of the Fibonacci word in singular words and their consequences. By using these results, we discuss the local isomorphism of the Fibonacci word and the overlap properties of the factors. Moreover, we also give new proofs for the results on special words and the power of the factors.
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