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» A characterization of fine words over a finite alphabet
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STRINGOLOGY
2008
13 years 9 months ago
The Road Coloring and Cerny Conjecture
A synchronizing word of a deterministic automaton is a word in the alphabet of colors (considered as letters) of its edges that maps the automaton to a single state. A coloring of...
Avraham Trahtman
DM
2010
88views more  DM 2010»
13 years 8 months ago
Multidimensional generalized automatic sequences and shape-symmetric morphic words
An infinite word is S-automatic if, for all n 0, its (n+1)st letter is the output of a deterministic automaton fed with the representation of n in the numeration system S. In this...
Emilie Charlier, Tomi Kärki, Michel Rigo
CORR
2010
Springer
51views Education» more  CORR 2010»
13 years 8 months ago
On ternary square-free circular words
Circular words are cyclically ordered finite sequences of letters. We give a computer-free proof of the following result by Currie: square-free circular words over the ternary alp...
Arseny M. Shur
SOFSEM
2010
Springer
13 years 5 months ago
Forcing Monotonicity in Parameterized Verification: From Multisets to Words
We present a tutorial on verification of safety properties for parameterized systems. Such a system consists of an arbitrary number of processes; the aim is to prove correctness of...
Parosh Aziz Abdulla
DLT
2006
13 years 9 months ago
Prime Decompositions of Regular Languages
We investigate factorizations of regular languages in terms of prime languages. A language is said to be strongly prime decomposable if any way of factorizing the language yields a...
Yo-Sub Han, Kai Salomaa, Derick Wood