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Published in 2018 at "Filomat"
DOI: 10.2298/fil1801165e
Abstract: The inverse degree of a graph G with no isolated vertices is defined as the sum of reciprocal of vertex degrees of the graph G. In this paper, we obtain several lower and upper bounds…
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Keywords:
topological indices;
degree topological;
second third;
inverse degree ... See more keywords
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Published in 2019 at "Quaestiones Mathematicae"
DOI: 10.2989/16073606.2019.1599077
Abstract: Abstract The Szeged index Sz(G) of a simple connected graph G is the sum of the terms nu (e)nv (e) over all edges e = uv of G, where nu (e) is the number of…
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Keywords:
index;
szeged index;
vertex;
szeged indices ... See more keywords