General multiplicative Zagreb indices of trees

General multiplicative Zagreb indices of trees

We study trees of given order, given number of pendant vertices, segments and branching vertices. We present upper and lower bounds on the general multiplicative Zagreb indices for trees of given order and number of pendant vertices/segments/branching vertices. Bounds on the first and the second mul...

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Veröffentlicht in:Discrete Applied Mathematics 2018-10, Vol.247, p.341-351
Hauptverfasser: Vetrík, Tomáš, Balachandran, Selvaraj
Format: Artikel
Sprache:eng
Schlagworte:
Analytical chemistry
Branching vertex
Graphs
Indicator organisms
Integer programming
Lower bounds
Molecular structure
Multiplicative Zagreb index
Pendant vertex
Segment
Segments
Tree
Trees
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Beschreibung
Zusammenfassung:We study trees of given order, given number of pendant vertices, segments and branching vertices. We present upper and lower bounds on the general multiplicative Zagreb indices for trees of given order and number of pendant vertices/segments/branching vertices. Bounds on the first and the second multiplicative Zagreb indices are corollaries of the general results. We also characterize trees having the largest and the smallest indices.
ISSN:0166-218X
1872-6771
DOI:10.1016/j.dam.2018.03.084