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Abstract:

We initiate the study of graph classes of power-bounded clique-width, that is, graph classes for which there exist integers k and ℓ such that the kth powers of the graphs are of clique-width at most ℓ. We give sufficient and necessary conditions for this property. As our main results, we characterize graph classes of power-bounded clique-width within classes defined by either one forbidden induced subgraph, or by two connected forbidden induced subgraphs. We also show that for every positive integer k, there exists a graph class such that the kth powers of graphs in the class form a class of bounded clique-width, while this is not the case for any smaller power. © 2015 Elsevier B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Graph classes with and without powers of bounded clique-width
Autor:Bonomo, F.; Grippo, L.N.; Milanič, M.; Safe, M.D.
Filiación:Depto. de Computación, FCEyN, Universidad de Buenos Aires, Argentina
CONICET, Argentina
Instituto de Ciencias, Universidad Nacional de General Sarmiento, Los Polvorines, Argentina
Andrej Marušič Institute, University of Primorska, Muzejski trg 2, Koper, 6000, Slovenia
Faculty of Mathematics, Natural Sciences and Information Technologies, University of Primorska, Glagoljaška 8, Koper, 6000, Slovenia
Palabras clave:Clique-width; Hereditary graph class; Power of a graph; Power-bounded clique-width; Combinatorial mathematics; Clique-width; Forbidden induced subgraphs; Graph class; Induced subgraphs; Positive integers; Power of a graph; Sufficient and necessary condition; Within class; Graph theory
Año:2016
Volumen:199
Página de inicio:3
Página de fin:15
DOI: http://dx.doi.org/10.1016/j.dam.2015.06.010
Título revista:Discrete Applied Mathematics
Título revista abreviado:Discrete Appl Math
ISSN:0166218X
CODEN:DAMAD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0166218X_v199_n_p3_Bonomo

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Citas:

---------- APA ----------
Bonomo, F., Grippo, L.N., Milanič, M. & Safe, M.D. (2016) . Graph classes with and without powers of bounded clique-width. Discrete Applied Mathematics, 199, 3-15.
http://dx.doi.org/10.1016/j.dam.2015.06.010
---------- CHICAGO ----------
Bonomo, F., Grippo, L.N., Milanič, M., Safe, M.D. "Graph classes with and without powers of bounded clique-width" . Discrete Applied Mathematics 199 (2016) : 3-15.
http://dx.doi.org/10.1016/j.dam.2015.06.010
---------- MLA ----------
Bonomo, F., Grippo, L.N., Milanič, M., Safe, M.D. "Graph classes with and without powers of bounded clique-width" . Discrete Applied Mathematics, vol. 199, 2016, pp. 3-15.
http://dx.doi.org/10.1016/j.dam.2015.06.010
---------- VANCOUVER ----------
Bonomo, F., Grippo, L.N., Milanič, M., Safe, M.D. Graph classes with and without powers of bounded clique-width. Discrete Appl Math. 2016;199:3-15.
http://dx.doi.org/10.1016/j.dam.2015.06.010