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Kernels and partial line digraphs
dc.contributor.author | Balbuena Martínez, Maria Camino Teófila |
dc.contributor.author | Guevara, Mucuy-kak |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III |
dc.date.accessioned | 2010-11-10T11:27:33Z |
dc.date.available | 2010-11-10T11:27:33Z |
dc.date.created | 2010-10 |
dc.date.issued | 2010-10 |
dc.identifier.citation | Balbuena, C.; Guevara, M. Kernels and partial line digraphs. "Applied mathematics letters", Octubre 2010, vol. 23, núm. 10, p. 1218-1220. |
dc.identifier.issn | 0893-9659 |
dc.identifier.uri | http://hdl.handle.net/2117/10238 |
dc.description.abstract | Let D = (V,A) be a digraph with minimum in-degree at least 1 and girth at least l+1, where l ≥ 1. In this work, the following result is proved: a digraph D has a (k,l)-kernel if and only if its partial line digraph LD does, where 1 ≤ l < k. As a consequence, the h-iterated line digraph $L^h$(D) is shown to have a kernel if and only if D has a kernel. |
dc.format.extent | 3 p. |
dc.language.iso | eng |
dc.publisher | Elsevier |
dc.subject | Àrees temàtiques de la UPC::Matemàtiques i estadística::Matemàtica discreta::Teoria de grafs |
dc.subject.lcsh | Directed graphs |
dc.subject.lcsh | Applied mathematics |
dc.title | Kernels and partial line digraphs |
dc.type | Article |
dc.subject.lemac | Grafs, Teoria de |
dc.subject.lemac | Matemàtica aplicada |
dc.contributor.group | Universitat Politècnica de Catalunya. COMBGRAPH - Combinatòria, Teoria de Grafs i Aplicacions |
dc.identifier.doi | 10.1016/j.aml.2010.06.001 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 2755919 |
dc.description.version | Postprint (published version) |
local.citation.author | Balbuena, C.; Guevara, M. |
local.citation.publicationName | Applied mathematics letters |
local.citation.volume | 23 |
local.citation.number | 10 |
local.citation.startingPage | 1218 |
local.citation.endingPage | 1220 |
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