JOURNAL ARTICLE
New Bounds for Zagreb Eccentricity Indices
Year: 2013 Journal: Open Journal of Discrete Mathematics Vol: 03 (01)Pages: 70-74 Publisher: Scientific Research Publishing
Abstract
The Zagrebeccentricity indices are the eccentricity version of the classical Zagrebindices. The first Zagrebeccentricity index (E1(G)) is defined as sum of squares of the eccentricities of the vertices and the second Zagrebeccentricity index (E2(G)) is equal to sum of product of the eccentricities of the adjacent vertices. In this paper we give some new upper and lower bounds for first and second Zagreb eccentricity indices.
Keywords:
Mathematics Eccentricity (behavior) Combinatorics Index (typography) Product (mathematics) Geometry Computer science
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Topics
Graph theory and applications
Physical Sciences → Mathematics → Geometry and Topology
Synthesis and Properties of Aromatic Compounds
Physical Sciences → Chemistry → Organic Chemistry
Graphene research and applications
Physical Sciences → Materials Science → Materials Chemistry
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