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7557351 
Journal Article 
On Degeneracy of A-Eigenvalue-Based Molecular Descriptors and r-Equienergetic Chemical Trees 
Redzepovic, I; Furtula, B 
2020 
1 
Match (Mülheim an der Ruhr, Germany)
ISSN: 0340-6253 
84 
2 
385-397 
WOS:000545446500010 
Among more than two hundreds of eigenvalue-based topological indices only a couple of them are defined using the eigenvalues devised from the adjacency matrix of a graph. The resolvent energy is probably the most recent-one such an index. In this article, the degeneracy of the energy, Estrada index, and the resolvent energy is presented. The specious degeneracy of the resolvent energy in the case of chemical trees is discussed. Then, the data on searching for resolvent equienergetic chemical trees is given.