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» Combinatorics on words
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COCOON
2009
Springer
15 years 1 months ago
Three New Algorithms for Regular Language Enumeration
We present new and more efficient algorithms for regular language enumeration problems. The min-word problem is to find the lexicographically minimal word of length n accepted by ...
Margareta Ackerman, Erkki Mäkinen
COMBINATORICS
2004
90views more  COMBINATORICS 2004»
14 years 9 months ago
Goldberg-Coxeter Construction for 3- and 4-valent Plane Graphs
We consider the Goldberg-Coxeter construction GCk,l(G0) (a generalization of a simplicial subdivision of the dodecahedron considered in [Gold37] and [Cox71]), which produces a pla...
Mathieu Dutour, Michel Deza
DAM
2011
14 years 4 months ago
On minimal Sturmian partial words
Partial words, which are sequences that may have some undefined positions called holes, can be viewed as sequences over an extended alphabet A = A ∪ { }, where stands for a hol...
Francine Blanchet-Sadri, John Lensmire
DLT
2007
14 years 11 months ago
Two Element Unavoidable Sets of Partial Words
d Abstract) F. Blanchet-Sadri1 , N.C. Brownstein2 , and Justin Palumbo3 1 Department of Computer Science, University of North Carolina, P.O. Box 26170, Greensboro, NC 27402–6170,...
Francine Blanchet-Sadri, N. C. Brownstein, Justin ...
COMBINATORICS
2000
129views more  COMBINATORICS 2000»
14 years 9 months ago
Combinatorial statistics on type-B analogues of noncrossing partitions and restricted permutations
We define type-B analogues of combinatorial statistics previously studied on noncrossing partitions and show that analogous equidistribution and symmetry properties hold in the ca...
Rodica Simion