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» Sequences with constant number of return words
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CORR
2006
Springer
131views Education» more  CORR 2006»
13 years 4 months ago
Sequences with constant number of return words
An infinite word has the property Rm if every factor has exactly m return words. Vuillon showed that R2 characterizes Sturmian words. We prove that a word satisfies Rm if its compl...
Lubomíra Balková, Edita Pelantov&aac...
DLT
2008
13 years 6 months ago
Relationally Periodic Sequences and Subword Complexity
By the famous theorem of Morse and Hedlund, a word is ultimately periodic if and only if it has bounded subword complexity, i.e., for sufficiently large n, the number of factors of...
Julien Cassaigne, Tomi Kärki, Luca Q. Zamboni
STOC
2001
ACM
159views Algorithms» more  STOC 2001»
14 years 4 months ago
Optimal static range reporting in one dimension
We consider static one dimensional range searching problems. These problems are to build static data structures for an integer set S U, where U = {0, 1, . . . , 2w - 1}, which su...
Stephen Alstrup, Gerth Stølting Brodal, The...
TCBB
2010
98views more  TCBB 2010»
12 years 11 months ago
VARUN: Discovering Extensible Motifs under Saturation Constraints
Abstract-The discovery of motifs in biosequences is frequently torn between the rigidity of the model on the one hand and the abundance of candidates on the other. In particular, m...
Alberto Apostolico, Matteo Comin, Laxmi Parida
FORMATS
2004
Springer
13 years 10 months ago
Learning of Event-Recording Automata
Abstract. We extend Angluin’s algorithm for on-line learning of regular languages to the setting of timed systems. We consider systems that can be described by a class of determi...
Olga Grinchtein, Bengt Jonsson, Martin Leucker