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math.CO2011★ 12 cited
On augmented eccentric connectivity index of graphs and trees
Jelena Sedlar
In this paper we establish all extremal graphs with respect to augmented eccentric connectivity index among all (simple connected) graphs, among trees and among trees with perfect…
math.CO2011
Independent sets in chain cacti
Jelena Sedlar
In this paper chain cacti are considered. First, for two specific classes of chain cacti (orto-chains and meta-chains of cycles with h vertices) the recurrence relation for indepen…