Langford sequences and a product of digraphs

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Title:	Langford sequences and a product of digraphs
Author:	López Masip, Susana Clara; Muntaner Batle, Francesc Antoni
Other authors:	Universitat Politècnica de Catalunya. Departament de Matemàtiques; Universitat Politècnica de Catalunya. COMBGRAPH - Combinatòria, Teoria de Grafs i Aplicacions
Abstract:	Skolem and Langford sequences and their many generalizations have applications in numerous areas. The ¿h-product is a generalization of the direct product of digraphs. In this paper we use the ¿h-product and super edge-magic digraphs to construct an exponential number of Langford sequences with certain order and defect. We also apply this procedure to extended Skolem sequences.
Subject(s):	-Àrees temàtiques de la UPC::Matemàtiques i estadística -Graph theory -Grafs, Teoria de
Rights:	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Document type:	Article - Submitted version Article
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