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Title:On minimal forbidden subgraphs for the class of EDM-graphs
Authors:ID Jaklič, Gašper (Author)
ID Modic, Jolanda (Author)
Files:.pdf RAZ_Jaklic_Gasper_i2015.pdf (711,65 KB)
MD5: 05131AF49490D4043EAE907394031086
 
Language:English
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:ZUP - University of Primorska Press
Abstract:In this paper, a relation between graph distance matrices and Euclidean distance matrices (EDM) is considered. Graphs, for which the distance matrix is not an EDM (NEDM-graphs), are studied. All simple connected non-isomorphic graphs on ▫$n \le 8$▫ nodes are analysed and a characterization of the smallest NEDM-graphs, i.e., the minimal forbidden subgraphs, is given. It is proven that bipartite graphs and some subdivisions of the smallest NEDM-graphs are NEDM-graphs, too.
Keywords:graph theory, graph, Euclidean distance matrix, distance, eigenvalue
Year of publishing:2015
Number of pages:str. 151-163
Numbering:Vol. 9, no. 2
PID:20.500.12556/RUP-17615 This link opens in a new window
UDC:519.17
ISSN on article:1855-3966
COBISS.SI-ID:17219417 This link opens in a new window
Publication date in RUP:30.12.2021
Views:1241
Downloads:21
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Record is a part of a journal

Title:Ars mathematica contemporanea
Publisher:Društvo matematikov, fizikov in astronomov, Društvo matematikov, fizikov in astronomov, Univerza na Primorskem, Fakulteta za matematiko, naravoslovje in informacijske tehnologije
ISSN:1855-3966
COBISS.SI-ID:239049984 This link opens in a new window

Secondary language

Language:Slovenian
Title:On minimalnih prepovedanih podgrafih razreda EDM-grafov
Abstract:V članku je obravnavana povezava med grafovsko razdaljnimi in evklidsko razdaljnimi matrikami (EDM). Obravnavani so grafi, katerih grafovsko razdaljne matrike niso EDM (NEDM-grafi). Analizirani so vsi enostavni povezani neizomorfni grafi z največ 8 vozlišči, podana pa je tudi karakterizacija najmanjših NEDM-grafov. Pokazano je, da so dvodelni grafi in nekatere subdivizije najmanjših NEDM grafov prav tako NEDM-grafi.
Keywords:teorija grafov, graf, evklidsko razdaljna matrika, razdalja, lastna vrednost


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