| Naslov: | The periphery graph of a median graph |
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| Avtorji: | ID Brešar, Boštjan (Avtor)
ID Changat, Manoj (Avtor)
ID Subhamathi, Ajitha R. (Avtor)
ID Tepeh, Aleksandra (Avtor) |
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| Datoteke: |  Discussiones_Mathematicae_Graph_Theory_2010_Bresar_et_al._The_periphery_graph_of_a_median_graph.pdf (145,86 KB)
MD5: 3E369953FC6F1AC9E804439E845A0BCC
 http://www.discuss.wmie.uz.zgora.pl/gt/index.php?doi=10.7151/dmgt.1473
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Znanstveno delo |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | FNM - Fakulteta za naravoslovje in matematiko
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| Opis: | The periphery graph of a median graph is the intersection graph of its peripheral subgraphs. We show that every graph without a universal vertex can be realized as the periphery graph of a median graph. We characterize those median graphs whose periphery graph is the join of two graphs and show that they are precisely Cartesian products of median graphs. Path-like median graphs are introduced as the graphs whose periphery graph has independence number 2, and it is proved that there are path-like median graphs with arbitrarily large geodetic number. Peripheral expansion with respect to periphery graph is also considered, and connections with the concept of crossing graph are established. |
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| Ključne besede: | mathematics, graph theory, median graph, Cartesian product, geodesic, periphery, peripheral expansion |
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| Status publikacije: | Objavljeno |
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| Verzija publikacije: | Objavljena publikacija |
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| Datum sprejetja članka: | 11.06.2008 |
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| Datum objave: | 05.01.2009 |
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| Založnik: | University of Zielona Góra |
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| Leto izida: | 2010 |
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| Št. strani: | Str. 17-32 |
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| Številčenje: | Letn. 30, št. 1 |
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| PID: | 20.500.12556/DKUM-65354  |
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| ISSN: | 1234-3099 |
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| UDK: | 519.17 |
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| COBISS.SI-ID: | 15637081 |
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| ISSN pri članku: | 1234-3099 |
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| NUK URN: | URN:SI:UM:DK:D2OZSN9J |
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| Datum objave v DKUM: | 31.03.2017 |
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| Število ogledov: | 1674 |
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| Število prenosov: | 514 |
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| Metapodatki: |    |
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| Področja: | Ostalo
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