Abstract:This thesis concerns repetitive structures in words. More precisely, it contributes to studying appearance and absence of such repetitions in words.
In the first and major part of this thesis, we study avoidability of unary patterns with permutations. The second part of this thesis deals with modeling and solving
several avoidability problems as constraint satisfaction problems, using the framework of MiniZinc. Solving avoidability problems like the one mentioned in th… Show more
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