Handbook of formal languages, vol. 1
Polynomial versus exponential growth in repetition-free binary words
Journal of Combinatorial Theory Series A
Computing the maximal-exponent repeats of an overlap-free string in linear time
SPIRE'12 Proceedings of the 19th international conference on String Processing and Information Retrieval
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The first two authors have shown [1,2] (Kolpakov and Kucherov, 1999, 2000) that the sum of the exponents (and thus the number) of maximal repetitions of exponent at least 2 in a word (also called runs) is linear with respect to the length of the word. The exponent 2 in the definition of a run may seem arbitrary. In this paper, we consider maximal repetitions of exponent strictly greater than 1.