- ...Simon
- Part of this work was done while the author
was visiting the
Université de Rouen, in 1987.
That visit was partially supported by FAPESP.
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- ...UNIX
- UNIX is a trademark of Bell Laboratories
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- ...sequences
- The sequences we consider are
usually called words.
We avoid this terminology since it might
lead to confusion because of the
widespread misuse of the term subword (meaning a segment or
a factor instead of a subsequence).
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