Browsing by Author "Tesfaw, Yassin"

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    Repetition in Words
    (Addis Ababa University, 2013-07-02) Tesfaw, Yassin; Tsegaye, Yirgalem(PhD)
    Combinatorics on words has imposed itself as a powerful tool for the study of large number of discrete, linear, non-commutative objects. This report project is intended to discuss words, in particular, repetition in words and avoiding repetition of squares, overlaps and cubes over binary and ternary alphabet of infnite words and Abelian repetition