Narodna in univerzitetna knjižnica, Ljubljana (NUK)
Naročanje gradiva za izposojo na dom
Naročanje gradiva za izposojo v čitalnice
Naročanje kopij člankov
Urnik dostave gradiva z oznako DS v signaturi
  • Some properties of the Zagreb eccentricity indices
    Das, Kinkar Chandra ; Lee, Dae-Won ; Graovac, Ante, 1945-2012
    The concept of Zagreb eccentricity (▫$E_1$▫ and ▫$E_2$▫) indices was introduced in the chemical graph theory very recently. The first Zagreb eccentricity ▫($E_1$)▫ and the second Zagreb eccentricity ... ▫($E_2$)▫ indices of a graph ▫$G$▫ are defined as ▫$$E_1 = E_1(G) = \sum_{v_i \in V(G)} e_i^2$$▫ and ▫$$E_2 = E_2(G) = \sum_{v_i v_j \in E(G)} e_i \cdot e_j \;,$$▫ where ▫$E(G)$▫ is the edge set and ▫$e_i$▫ is the eccentricity of the vertex ▫$v_i$▫ in ▫$G$▫. In this paper we give some lower and upper bounds on the first Zagreb eccentricity and the second Zagreb eccentricity indices of trees and graphs, and also characterize the extremal graphs.
    Vir: Ars mathematica contemporanea : special issue Bled'11 (Vol. 6, no. 1, 2013, str. 117-125)
    Vrsta gradiva - prispevek na konferenci ; neleposlovje za odrasle
    Leto - 2013
    Jezik - angleški
    COBISS.SI-ID - 16470873

    Povezava(-e):

    http://amc.imfm.si/index.php/amc/article/view/237/190
    Digitalna knjižnica Slovenije - dLib.si

vir: Ars mathematica contemporanea : special issue Bled'11 (Vol. 6, no. 1, 2013, str. 117-125)

loading ...
loading ...
loading ...

Vnos na polico