Abstract:Models of sequence evolution typically assume that all sequences are possible. However, restriction enzymes that cut DNA at specific recognition sites provide an example where carrying a recognition site can be lethal. Motivated by this observation, we studied the set of strings over a finite alphabet with taboos, that is, with prohibited substrings. The taboo-set is referred to as $$\mathbb {T}$$
T
and any allowed string as a taboo-free string. We consider the so-called Hamming graph $$\varGamma _n(\mathbb {… Show more
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