Artículo

Abriola, S.; Figueira, S.; Senno, G. "Linearizing bad sequences: Upper bounds for the product and majoring well quasi-orders" (2012) 19th International Workshop on Logic, Language, Information and Computation, WoLLIC 2012. 7456 LNCS:110-126
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Abstract:

Well quasi-orders (wqo's) are an important mathematical tool for proving termination of many algorithms. Under some assumptions upper bounds for the computational complexity of such algorithms can be extracted by analyzing the length of controlled bad sequences. We develop a new, self-contained study of the length of bad sequences over the product ordering of ℕ n , which leads to known results but with a much simpler argument. We also give a new tight upper bound for the length of the longest controlled descending sequence of multisets of ℕ n, and use it to give an upper bound for the length of controlled bad sequences in the majoring ordering of sets of tuples. We apply this upper bound to obtain complexity upper bounds for decision procedures of automata over data trees. In both cases the idea is to linearize bad sequences, i.e. transform them into a descending one over a well-order for which upper bounds can be more easily handled. © 2012 Springer-Verlag.

Registro:

Documento: Artículo
Título:Linearizing bad sequences: Upper bounds for the product and majoring well quasi-orders
Autor:Abriola, S.; Figueira, S.; Senno, G.
Ciudad:Buenos Aires
Filiación:Dto. Matemática, FCEN, Universidad de Buenos Aires, Argentina
Dto. Computación, FCEN, Universidad de Buenos Aires, Argentina
CONICET, Argentina
Palabras clave:Data tree; Decision procedure; Mathematical tools; Multi-sets; Product ordering; Upper Bound; Algorithms; Trees (mathematics)
Año:2012
Volumen:7456 LNCS
Página de inicio:110
Página de fin:126
DOI: http://dx.doi.org/10.1007/978-3-642-32621-9_9
Título revista:19th International Workshop on Logic, Language, Information and Computation, WoLLIC 2012
Título revista abreviado:Lect. Notes Comput. Sci.
ISSN:03029743
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03029743_v7456LNCS_n_p110_Abriola

Referencias:

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Citas:

---------- APA ----------
Abriola, S., Figueira, S. & Senno, G. (2012) . Linearizing bad sequences: Upper bounds for the product and majoring well quasi-orders. 19th International Workshop on Logic, Language, Information and Computation, WoLLIC 2012, 7456 LNCS, 110-126.
http://dx.doi.org/10.1007/978-3-642-32621-9_9
---------- CHICAGO ----------
Abriola, S., Figueira, S., Senno, G. "Linearizing bad sequences: Upper bounds for the product and majoring well quasi-orders" . 19th International Workshop on Logic, Language, Information and Computation, WoLLIC 2012 7456 LNCS (2012) : 110-126.
http://dx.doi.org/10.1007/978-3-642-32621-9_9
---------- MLA ----------
Abriola, S., Figueira, S., Senno, G. "Linearizing bad sequences: Upper bounds for the product and majoring well quasi-orders" . 19th International Workshop on Logic, Language, Information and Computation, WoLLIC 2012, vol. 7456 LNCS, 2012, pp. 110-126.
http://dx.doi.org/10.1007/978-3-642-32621-9_9
---------- VANCOUVER ----------
Abriola, S., Figueira, S., Senno, G. Linearizing bad sequences: Upper bounds for the product and majoring well quasi-orders. Lect. Notes Comput. Sci. 2012;7456 LNCS:110-126.
http://dx.doi.org/10.1007/978-3-642-32621-9_9