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Publicado en línea: 21 sept 2017
Páginas: 159 - 167
Recibido: 16 sept 2014
Aceptado: 02 mar 2015
DOI: https://doi.org/10.1515/auom-2016-0034
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© 2017
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
The class of closed graphs by a linear ordering on their sets of vertices is investigated. A recent characterization of such a class of graphs is analyzed by using tools from the proper interval graph theory.