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» A characterization of fine words over a finite alphabet
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STRINGOLOGY
2008
14 years 11 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»
14 years 9 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»
14 years 9 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
14 years 7 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
77
Voted
DLT
2006
14 years 10 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