66
Voted
ITA
2007
14 years 9 months ago
2007
Duplication is the replacement of a factor w within a word by ww. This operation can be used iteratively to generate languages starting from words or sets of words. By undoing dupl...
DLT
2007
14 years 11 months ago
2007
Recently the duplication closure of words and languages has received much interest. We investigate a reversal of it: the duplication root reduces a word to a square-free one. After...