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- Evan M. Bullock
- Electr. J. Comb.
- 2004

A word is abelian square-free if it does not contain two adjacent subwords which are permutations of each other. Over an alphabet Σ k on k letters, an abelian square-free word is maximal if it cannot be extended to the left or right by letters from Σ k and remain abelian square-free. Michael Korn proved that the length (k) of a shortest maximal abelian… (More)

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