Abstract
An overlap in a word is a factor of the form axaxa, where x is a (possibly empty) word and a is a single letter; these have been well-studied since Thue’s landmark paper of 1906. In this note we consider three new variations on this well-known definition and some consequences.
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Rajasekaran, A., Rampersad, N., Shallit, J. (2017). Overpals, Underlaps, and Underpals. In: Brlek, S., Dolce, F., Reutenauer, C., Vandomme, É. (eds) Combinatorics on Words. WORDS 2017. Lecture Notes in Computer Science(), vol 10432. Springer, Cham. https://doi.org/10.1007/978-3-319-66396-8_3
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