Search Results - "Sopena, E"

Homomorphisms and colourings of oriented graphs: An updated survey by Sopena, E

“…An oriented graph is a loopless digraph with no opposite arcs. An oriented k-colouring of an oriented graph G⃗ is a partition of its set of vertices into k…”
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Increased survival time or better quality of life? Trade-off between benefits and adverse events in the systemic treatment of cancer by Valentí, V., Ramos, J., Pérez, C., Capdevila, L., Ruiz, I., Tikhomirova, L., Sánchez, M., Juez, I., Llobera, M., Sopena, E., Rubió, J., Salazar, R.

“…Introduction Primary objective of the study was to assess the relative weighting between benefit in survival time (SV), benefit in quality of life (QoL) and…”
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The incidence game chromatic number of (a,d)-decomposable graphs by Charpentier, C., Sopena, É.

“…The incidence coloring game has been introduced in Andres (2009) [2] as a variation of the ordinary coloring game. The incidence game chromatic number ιg(G) of…”
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1554 Adverse events (AEs) from systemic treatment of cancer (STC) and patient-reported quality of life (QoL). Comparison to general population (GPOP) by Valentý, V, Ramos, J, Pérez, C, Capdevila, L, Tikhomirova, L, Márquez, J, Mas, M, Nolla, C, Bitria, J, Beviá, I, Montoya, J, Josa, A, Perez, B, Borrás, S, Sopena, E, Pinto-Prades, J.L

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Acyclic colouring of 1-planar graphs by Borodin, O.V., Kostochka, A.V., Raspaud, A., Sopena, E.

“…A graph is 1-planar if it can be drawn on the plane in such a way that every edge crosses at most one other edge. We prove that the acyclic chromatic number of…”
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On the maximum average degree and the oriented chromatic number of a graph by Borodin, O.V., Kostochka, A.V., Nešetřil, J., Raspaud, A., Sopena, E.

“…The oriented chromatic number o( H) of an oriented graph H is defined as the minimum order of an oriented graph H′ such that H has a homomorphism to H′. The…”
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Acyclic and oriented chromatic numbers of graphs by Kostochka, A. V., Sopena, E., Zhu, X.

“…The oriented chromatic number χo(G →) of an oriented graph G → = (V, A) is the minimum number of vertices in an oriented graph H → for which there exists a…”
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Acyclic list 7-coloring of planar graphs by Borodin, O. V., Fon-Der Flaass, D. G., Kostochka, A. V., Raspaud, A., Sopena, E.

“…The acyclic list chromatic number of every planar graph is proved to be at most 7. © 2002 Wiley Periodicals, Inc. J Graph Theory 40: 83–90, 2002…”
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On nice graphs by Hell, P., Kostochka, A.V., Raspaud, A., Sopena, E.

“…A digraph G is k-nice for some positive integer k if for every two (not necessarily distinct) vertices x and y in G and every pattern of length k, given as a…”
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Cómo fusionar las unidades de ortogeriatría con las unidades de coordinación de fracturas (FLS). Experiencia en el Complejo Sanitario Joan XXIII de Tarragona by Sopena-Bert, E, San Segundo-Mozo, RM, Castro-Oreiro, S

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On universal graphs for planar oriented graphs of a given girth by Borodin, O.V., Kostochka, A.V., Nešetřil, J., Raspaud, A., Sopena, E.

“…The oriented chromatic number o( H) of an oriented graph H is defined to be the minimum order of an oriented graph H′ such that H has a homomorphism to H′. If…”
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Perfil asistencial del paciente con osteoporosis tributario de visita de telemedicina en la era post-COVID-19 by Cancio, JM, Capdevila-Reniu, A, Casanova, T, Cuadra, L, Ivanov, A, Llopis, A, Santiago, JM, Sopena, E

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Oriented graph coloring by Sopena, Eric

“…An oriented k-coloring of an oriented graph G (that is a digraph with no cycle of length 2) is a partition of its vertex set into k subsets such that (i) no…”
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Hexachlorobenzene Treatment on Hepatic Mitochondrial Function Parameters and Intracellular Coproporphyrinogen Oxidase Location by Sopena, Yolanda E., Ferramola de Sancovich, Ana M., Sancovich, Horacio A.

“…These studies try to elucidate why isocoproporphyrin appears in hexachlorobenzene-poisoned rats’ feces. Chronic exposure of hexachlorobenzene to rats produces…”
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Compound Node–Kayles on paths by Guignard, Adrien, Sopena, Éric

“…In his celebrated book [J.H. Conway, On Numbers and Games, Academic Press, New-York, 1976, Second edition (2001), A.K. Peters, Wellesley, MA], J.H. Conway…”
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Different local controls for graph relabeling systems by Litovsky, I., M tivier, Y., Sopena, E.

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The chromatic number of oriented graphs by Sopena, Eric

“…We introduce in this paper the notion of the chromatic number of an oriented graph G (that is of an antisymmetric directed graph) defined as the minimum order…”
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Perfil asistencial del paciente con osteoporosis tributario de visita de telemedicina en la era post-COVID-19 by Cancio, JM, Capdevila-Reniu, Casanova, Cuadra, Ivanov, Llopis, Santiago, JM, Sopena

“…Resumen Resumen Definir el perfil del paciente con osteoporosis candidato y no candidato a la asistencia en la teleconsulta de osteoporosis, en la era…”
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There exist oriented planar graphs with oriented chromatic number at least sixteen by SOPENA, Eric

“…We prove that there exist oriented planar graphs with oriented chromatic number at least 16. Using a result of Raspaud and Sopena [Inform. Process. Lett. 51…”
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Incidence coloring of k-degenerated graphs by Hosseini Dolama, Mohammad, Sopena, Éric, Zhu, Xuding

“…We prove that the incidence coloring number of every k-degenerated graph G is at most Δ( G)+2 k−1. For K 4-minor free graphs ( k=2), we decrease this bound to…”
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