Formal languages | Combinatorics on words

Locally catenative sequence

In mathematics, a locally catenative sequence is a sequence of words in which each word can be constructed as the concatenation of previous words in the sequence. Formally, an infinite sequence of words w(n) is locally catenative if, for some positive integers k and i1,...ik: Some authors use a slightly different definition in which encodings of previous words are allowed in the concatenation. (Wikipedia).

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