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04/21/2022
The average size of maximal matchings in graphs
We investigate the ratio I(G) of the average size of a maximal matching ...
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05/03/2021
Upper bounds on the average number of colors in the non-equivalent colorings of a graph
A coloring of a graph is an assignment of colors to its vertices such th...
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04/29/2021
Lower Bounds and properties for the average number of colors in the non-equivalent colorings of a graph
We study the average number 𝒜(G) of colors in the non-equivalent colorin...
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09/10/2018
Minimum Eccentric Connectivity Index for Graphs with Fixed Order and Fixed Number of Pending Vertices
The eccentric connectivity index of a connected graph G is the sum over ...
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08/30/2018
Maximum Eccentric Connectivity Index for Graphs with Given Diameter
The eccentricity of a vertex v in a graph G is the maximum distance betw...
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12/21/2017