Autor según el artículo: Cabrera Martinez, Abel; Kuziak, Dorota; Yero, Ismael G.;
Departamento: Enginyeria Informàtica i Matemàtiques
Autor/es de la URV: CABRERA MARTÍNEZ, ABEL / GONZÁLEZ YERO, ISMAEL
Palabras clave: Vertex independence Vertex cover Trees Roman domination Outer-independent roman domination Domination
Resumen: A Roman dominating function on a graph G = (V (G), E (G)) is a function f : V (G) -> {0, 1, 2} satisfying the condition that every vertex u for which f (u) = 0 is adjacent to at least one vertex v for which f (v) = 2. The Roman dominating function f is an outer-independent Roman dominating function on G if the set of vertices labeled with zero under f is an independent set. The outer-independent Roman domination number gamma(oiR) (G) is the minimum weight w(f ) = Sigma(v is an element of V), ((G)) f(v) of any outer-independent Roman dominating function f of G. A vertex cover of a graph G is a set of vertices that covers all the edges of G. The minimum cardinality of a vertex cover is denoted by alpha(G). A graph G is a vertex cover Roman graph if gamma(oiR) (G) = 2 alpha(G). A constructive characterization of the vertex cover Roman trees is given in this article.
Áreas temáticas: Mathematics Matemática / probabilidade e estatística Discrete mathematics and combinatorics Ciência da computação Applied mathematics
Acceso a la licencia de uso: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 1234-3099
Direcció de correo del autor: abel.cabrera@urv.cat
Identificador del autor: 0000-0003-2806-4842
Página final: 283
Fecha de alta del registro: 2021-10-10
Volumen de revista: 41
Versión del articulo depositado: info:eu-repo/semantics/publishedVersion
Enlace a la fuente original: https://www.dmgt.uz.zgora.pl/publish/bbl_view_pdf.php?ID=42024
Referencia al articulo segun fuente origial: Discussiones Mathematicae Graph Theory. 41 (1): 267-283
Referencia de l'ítem segons les normes APA: Cabrera Martinez, Abel; Kuziak, Dorota; Yero, Ismael G.; (2021). A CONSTRUCTIVE CHARACTERIZATION OF VERTEX COVER ROMAN TREES. Discussiones Mathematicae Graph Theory, 41(1), 267-283. DOI: 10.7151/dmgt.2179
URL Documento de licencia: https://repositori.urv.cat/ca/proteccio-de-dades/
DOI del artículo: 10.7151/dmgt.2179
Entidad: Universitat Rovira i Virgili
Año de publicación de la revista: 2021
Página inicial: 267
Tipo de publicación: Journal Publications