Browsing University of Waterloo by Subject "Suffix-free"
Now showing items 1-3 of 3
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Complexity of Left-Ideal, Suffix-Closed and Suffix-Free Regular Languages
(Springer, 2017-03-06)A language L over an alphabet Σ is suffix-convex if, for any words x,y,z∈Σ∗, whenever z and xyz are in L, then so is yz. Suffix-convex languages include three special cases: left-ideal, suffix-closed, and suffix-free ... -
Syntactic complexity of prefix-, suffix-, bifix-, and factor-free regular languages
(Elsevier, 2012-08-31)The syntactic complexity of a regular language is the cardinality of its syntactic semigroup. The syntactic complexity of a subclass of the class of regular languages is the maximal syntactic complexity of languages in ... -
Syntactic Complexity of Suffix-Free Languages
(Elsevier, 2017-09-05)We solve an open problem concerning syntactic complexity: We prove that the cardinality of the syntactic semigroup of a suffix-free language with n left quotients (that is, with state complexity n) is at most (n−1)n−2+n−2 ...